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EngineerZone: 運用3D ToF維持無人機的高度
3D ToF熱度不墜,這篇專文分享為何ADI CAN DO!
https://ez.analog.com/b/engineerzone-spotlight/posts/maintaining-altitude-with-3d-tof
根據計算，100萬人遊行隊伍要從維多利亞公園排到廣東；200萬人遊行則要排到泰國。
順道一提香港15～30歲人口約莫100出頭萬人。以照片人群幾乎都是此年齡帶來看，兩個數字都是明顯誇大太多了。
另一個可以參考的是1969年的Woodstock Music & Art Fair，幾天內湧進40萬人次，照片看起來也是滿山滿谷的人。（http://sites.psu.edu/…/upl…/sites/851/2013/01/Woodstock3.jpg）
當年40萬人次引發驚人的大塞車，幾乎花十幾個小時才逐漸清場。
而香港遊行清場速度明顯快得多。
順道一提，因此運動而認定「你的父母不愛你」的白痴論述也如同文化大革命時的「爹親娘親不如毛主席親」般開始出現：
https://www.facebook.com/SaluteToHKPolice/videos/350606498983830/UzpfSTUyNzM2NjA3MzoxMDE1NjMyMTM4NjY3MTA3NA/
EVERY MAJOR NEWS outlet in the world is reporting that two million people, well over a quarter of our population, joined a single protest.
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It’s an astonishing thought that filled an enthusiastic old marcher like me with pride. Unfortunately, it’s almost certainly not true.
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A march of two million people would fill a street that was 58 kilometers long, starting at Victoria Park in Hong Kong and ending in Tanglangshan Country Park in Guangdong, according to one standard crowd estimation technique.
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If the two million of us stood in a queue, we’d stretch 914 kilometers (568 miles), from Victoria Park to Thailand. Even if all of us marched in a regiment 25 people abreast, our troop would stretch towards the Chinese border.
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Yes, there was a very large number of us there. But getting key facts wrong helps nobody. Indeed, it could hurt the protesters more than anyone.
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For math geeks only, here’s a discussion of the actual numbers that I hope will interest you whatever your political views.
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DO NUMBERS MATTER?
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People have repeatedly asked me to find out “the real number” of people at the recent mass rallies in Hong Kong.
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I declined for an obvious reason: There was a huge number of us. What does it matter whether it was hundreds of thousands or a million? That’s not important.
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But my critics pointed out that the word “million” is right at the top of almost every report about the marches. Clearly it IS important.
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FIRST, THE SCIENCE
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In the west, drone photography is analyzed to estimate crowd sizes.
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This reporter apologizes for not having found a comprehensive database of drone images of the Hong Kong protests.
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But we can still use related methods, such as density checks, crowd-flow data and impact assessments. Universities which have gathered Hong Kong protest march data using scientific methods include Hong Kong Polytechnic University, Hong Kong University of Science and Technology, University of Hong Kong, and Hong Kong Baptist University.
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DENSITY CHECKS
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Figures gathered in the past by Hong Kong Polytechnic specialists using satellite photo analysis found a density level of one square meter per marcher. Modern analysis suggests this remains roughly accurate.
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I know from experience that Hong Kong marches feature long periods of normal spacing (one square meter or one and half per person, walking) and shorter periods of tight spacing (half a square meter or less per person, mostly standing).
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JOINERS AND SPEED
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We need to include people who join halfway. In the past, a Hong Kong University analysis using visual counting methods cross-referenced with one-on-one interviews indicated that estimates should be boosted by 12% to accurately reflect late joiners. These days, we’re much more generous in estimating joiners.
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As for speed, a Hong Kong Baptist University survey once found a passing rate of 4,000 marchers every ten minutes.
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Videos of the recent rallies indicates that joiner numbers and stop-start progress were highly erratic and difficult to calculate with any degree of certainty.
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DISTANCE MULTIPLIED BY DENSITY
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But scientists have other tools. We know the walking distance between Victoria Park and Tamar Park is 2.9 kilometers. Although there was overspill, the bulk of the marchers went along Hennessy Road in Wan Chai, which is about 25 meters (or 82 feet) wide, and similar connected roads, some wider, some narrower.
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Steve Doig, a specialist in crowd analysis approached by the Columbia Journalism Review (CJR), analyzed an image of Hong Kong marchers to find a density level of 7,000 people in a 210-meter space. Although he emphasizes that crowd estimates are never an exact science, that figure means one million Hong Kong marchers would need a street 18.6 miles long – which is 29 kilometers.
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Extrapolating these figures for the June 16 claim of two million marchers, you’d need a street 58 kilometers long.
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Could this problem be explained away by the turnover rate of Hong Kong marchers, which likely allowed the main (three kilometer) route to be filled more than once?
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The answer is yes, to some extent. But the crowd would have to be moving very fast to refill the space a great many times over in a single afternoon and evening. It wasn’t. While I can walk the distance from Victoria Park to Tamar in 41 minutes on a quiet holiday afternoon, doing the same thing during a march takes many hours.
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More believable: There was a huge number of us, but not a million, and certainly not two million.
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IMPACT MEASUREMENTS
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A second, parallel way of analyzing the size of the crowd is to seek evidence of the effects of the marchers’ absence from their normal roles in society.
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If we extract two million people out of a population of 7.4 million, many basic services would be severely affected while many others would grind to a complete halt.
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Manpower-intensive sectors of society, such as transport, would be badly affected by mass absenteeism. Industries which do their main business on the weekends, such as retail, restaurants, hotels, tourism, coffee shops and so on would be hard hit. Round-the-clock operations such as hospitals and emergency services would be severely troubled, as would under-the-radar jobs such as infrastructure and utility maintenance.
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There seems to be no evidence that any of that happened in Hong Kong.
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HOW DID WE GET INTO THIS MESS?
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To understand that, a bit of historical context is necessary.
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In 2003, a very large number of us walked from Victoria Park to Central. The next day, newspapers gave several estimates of crowd size.
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The differences were small. Academics said it was 350,000 plus. The police counted 466,000. The organizers, a group called the Civil Rights Front, rounded it up to 500,000.
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No controversy there. But there was trouble ahead.
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THINGS FALL APART
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At a repeat march the following year, it was obvious to all of us that our numbers were far lower that the previous year. The people counting agreed: the academics said 194,000 and the police said 200,000.
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But the Civil Rights Front insisted that there were MORE than the previous year’s march: 530,000 people.
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The organizers lost credibility even with us, their own supporters. To this day, we all quote the 2003 figure as the high point of that period, ignoring their 2004 invention.
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THE TRUTH COUNTS
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The organizers had embarrassed the marchers. The following year several organizations decided to serve us better, with detailed, scientific counts.
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After the 2005 march, the academics said the headcount was between 60,000 and 80,000 and the police said 63,000. Separate accounts by other independent groups agreed that it was below 100,000.
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But the organizers? The Civil Rights Front came out with the awkward claim that it was a quarter of a million. Ouch. (This data is easily confirmed from multiple sources in newspaper archives.)
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AN UNEXPECTED TWIST
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But then came a twist. Some in the Western media chose to present ONLY the organizer’s “outlier” claim.
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“Dressed in black and chanting ‘one man, one vote’, a quarter of a million people marched through Hong Kong yesterday,” said the Times of London in 2005.
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“A quarter of a million protesters marched through Hong Kong yesterday to demand full democracy from their rulers in Beijing,” reported the UK Independent.
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It became obvious that international media outlets were committed to emphasizing whichever claim made the Hong Kong government (and by extension, China) look as bad as possible. Accuracy was nowhere in the equation.
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STRATEGICALLY CHOSEN
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At universities in Hong Kong, there were passionate discussions about the apparent decision to pump up the numbers as a strategy, with the international media in mind. Activists saw two likely positive outcomes.
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First, anyone who actually wanted the truth would choose a middle point as the “real” number: thus it was worth making the organizers’ number as high as possible. (The police could be presented as corrupt puppets of Beijing.)
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Second, international reporters always favored the largest number, since it implicitly criticized China. Once the inflated figure was established in the Western media, it would become the generally accepted figure in all publications.
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Both of the activists’ predictions turned out to be bang on target. In the following years, headcounts by social scientists and police were close or even impressively confirmed the other—but were ignored by the agenda-driven international media, who usually printed only the organizers’ claims.
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SKIP THIS SECTION
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Skip this section unless you want additional examples to reinforce the point.
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In 2011, researchers and police said that between 63,000 and 95,000 of us marched. Our delightfully imaginative organizers multiplied by four to claim there were 400,000 of us.
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In 2012, researchers and police produced headcounts similar to the previous year: between 66,000 and 97,000. But the organizers claimed that it was 430,000. (These data can also be easily confirmed in any newspaper archive.)
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SKIP THIS SECTION TOO
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Unless you’re interested in the police angle. Why are police figures seen as lower than others? On reviewing data, two points emerge.
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First, police estimates rise and fall with those of independent researchers, suggesting that they function correctly: they are not invented. Many are slightly lower, but some match closely and others are slightly higher. This suggests that the police simply have a different counting method.
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Second, police sources explain that live estimates of attendance are used for “effective deployment” of staff. The number of police assigned to work on the scene is a direct reflection of the number of marchers counted. Thus officers have strong motivation to avoid deliberately under-estimating numbers.
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RECENT MASS RALLIES
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Now back to the present: this hot, uncomfortable summer.
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Academics put the 2019 June 9 rally at 199,500, and police at 240,000. Some people said the numbers should be raised or even doubled to reflect late joiners or people walking on parallel roads. Taking the most generous view, this gave us total estimates of 400,000 to 480,000.
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But the organizers, God bless them, claimed that 1.03 million marched: this was four times the researchers’ conservative view and more than double the generous view.
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The addition of the “.03m” caused a bit of mirth among social scientists. Even an academic writing in the rabidly pro-activist Hong Kong Free Press struggled to accept it. “Undoubtedly, the anti-amendment group added the extra .03 onto the exact one million figure in order to give their estimate a veneer of accuracy,” wrote Paul Stapleton.
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MIND-BOGGLING ESTIMATE
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But the vast majority of international media and social media printed ONLY the organizers’ eyebrow-raising claim of a million plus—and their version soon fed back into the system and because the “accepted” number. (Some mentioned other estimates in early reports and then dropped them.)
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The same process was repeated for the following Sunday, June 16, when the organizers’ frankly unbelievable claim of “about two million” was taken as gospel in the majority of international media.
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“Two million people in Hong Kong protest China's growing influence,” reported Fox News.
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“A record two million people – over a quarter of the city’s population” joined the protest, said the Guardian this morning.
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“Hong Kong leader apologizes as TWO MILLION take to the streets,” said the Sun newspaper in the UK.
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Friends, colleagues, fellow journalists—what happened to fact-checking? What happened to healthy skepticism? What happened to attempts at balance?
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CONCLUSIONS?
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I offer none. I prefer that you do your own research and draw your own conclusions. This is just a rough overview of the scientific and historical data by a single old-school citizen-journalist working in a university coffee shop.
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I may well have made errors on individual data points, although the overall message, I hope, is clear.
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Hong Kong people like to march.
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We deserve better data.
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We need better journalism. Easily debunked claims like “more than a quarter of the population hit the streets” help nobody.
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International media, your hostile agendas are showing. Raise your game.
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Organizers, stop working against the scientists and start working with them.
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Hong Kong people value truth.
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We’re not stupid. (And we’re not scared of math!)
For all my female friends. Please read and stay safe. https://www.facebook.com/photo.php?fbid=10200183683931842&set=a.1485688099205.66272.1143987650&type=1&theater
"THROUGH A RAPIST'S EYES" (PLEASE TAKE TIME TO READ THIS. It may save a life.) Click Share Button to share it on your Wall.
It seems that a lot of attackers use some tactic to get away with violence. Not many people know how to take care of themselves when faced with such a situation. Everyone should read this especially each and every girl in this world.
THOUGHT THIS WAS GOOD INFO TO PASS ALONG...
Through a rapist's eyes! A group of rapists and date rapists in prison were interviewed on what they look for in a potential victim and here are some interesting facts:
1] The first thing men look for in a potential victim is hairstyle. They are most likely to go after a woman with a ponytail, bun! , braid or other hairstyle that can easily be grabbed. They are also likely to go after a woman with long hair. Women with short hair are not common targets.
2] The second thing men look for is clothing. They will look for women whose clothing is easy to remove quickly. Many of them carry scissors around to cut clothing.
3] They also look for women using their cell phone, searching through their purse or doing other activities while walking because they are off guard and can be easily overpowered.
4] The number one place women are abducted from / attacked at is grocery store parking lots.
5] Number two is office parking lots/garages.
6] Number three is public restrooms.
7] The thing about these men is that they are looking to grab a woman and quickly move her to a second location where they don't have to worry about getting caught.
8] If you put up any kind of a fight at all, they get discouraged because it only takes a minute or two for them to realize that going after you isn't worth it because it will be time-consuming.
9] These men said they would not pick on women who have umbrellas, or other similar objects that can be used from a distance, in their hands.
10] Keys are not a deterrent because you have to get really close to the attacker to use them as a weapon. So, the idea is to convince these guys you're not worth it.
POINTS THAT WE SHOULD REMEMBER:
1] If someone is following behind you on a street or in a garage or with you in an elevator or stairwell, look them in the face and ask them a question, like what time is it, or make general small talk: can't believe it is so cold out here, we're in for a bad winter. Now that you've seen their faces and could identify them in a line- up, you lose appeal as a target.
2] If someone is coming toward you, hold out your hands in front of you and yell Stop or Stay back! Most of the rapists this man talked to said they'd leave a woman alone if she yelled or showed that she would not be afraid to fight back. Again, they are looking for an EASY target.
3] If you carry pepper spray (this instructor was a huge advocate of it and carries it with him wherever he goes,) yelling I HAVE PEPPER SPRAY and holding it out will be a deterrent.
4] If someone grabs you, you can't beat them with strength but you can do it by outsmarting them. If you are grabbed around the waist from behind, pinch the attacker either under the arm between the elbow and
armpit or in the upper inner thigh - HARD. One woman in a class this guy taught told him she used the underarm pinch on a guy who was trying to date rape her and was so upset she broke through the skin and tore out muscle strands the guy needed stitches. Try pinching yourself in those places as hard as you can stand it; it really hurts.
5] After the initial hit, always go for the groin. I know from a particularly unfortunate experience that if you slap a guy's parts it is extremely painful. You might think that you'll anger the guy and make him want to hurt you more, but the thing these rapists told our instructor is that they want a woman who will not cause him a lot of
trouble. Start causing trouble, and he's out of there.
6] When the guy puts his hands up to you, grab his first two fingers and bend them back as far as possible with as much pressure pushing down on them as possible. The instructor did it to me without using much pressure, and I ended up on my knees and both knuckles cracked
audibly.
7] Of course the things we always hear still apply. Always be aware of your surroundings, take someone with you if you can and if you see any odd behavior, don't dismiss it, and go with your instincts. You may feel little silly at the time, but you'd feel much worse if the guy really was trouble.
FINALLY, PLEASE REMEMBER THESE AS WELL....
I know you are smart enough to know these pointers but there will be some, where you will go "hmm I must remember that" After reading, forward it to someone you care about, never hurts to be careful in
this crazy world we live in.
1. Tip from Tae Kwon Do: The elbow is the strongest point on your body. If you are close enough to use it, do it.
2. Learned this from a tourist guide to New Orleans: if a robber asks for your wallet and/or purse, DO NOT HAND IT TO HIM. Toss it away from you.... chances are that he is more interested in your wallet and/or purse than you and he will go for the wallet/purse. RUN LIKE MAD IN THE OTHER DIRECTION!
3. If you are ever thrown into the trunk of a car: Kick out the back tail lights and stick your arm out the hole and start waving like crazy. The driver won't see you but everybody else will. This has saved lives.
4. Women have a tendency to get into their cars after shopping, eating, working, etc., and just sit
(doing their checkbook, or making a list, etc. DON'T DO THIS! The predator will be watching you, and this is the perfect opportunity for him to get in on the passenger side, put a gun to your head, and tell you where to go. AS SOON AS YOU CLOSE the DOORS, LEAVE!
5. A few notes about getting into your car in a parking lot, or parking garage:
a. Be aware: look around your car as someone may be hiding at the passenger side, peek into your car, inside the passenger side floor, and in the back seat. (DO THIS TOO BEFORE RIDING A TAXI CAB).
b. If you are parked next to a big van, enter your car from the passenger door. Most serial killers attack their victims by pulling them into their vans while the women are attempting to get into their cars.
c. Look at the car parked on the driver's side of your vehicle, and the passenger side. If a male is sitting alone in the seat nearest your car, you may want to walk back into the mall, or work, and get a guard /policeman to walk you back out. IT IS ALWAYS BETTER TO BE SAFE THAN SORRY. (And better paranoid than dead.)
6. ALWAYS take the elevator instead of the stairs. (Stairwells are horrible places to be alone and the perfect crime spot).
7. If the predator has a gun and you are not under his control, ALWAYS RUN! The predator will only hit you (a running target) 4 in 100 times; and even then, it most likely WILL NOT be a vital organ. RUN!
8. As women, we are always trying to be sympathetic: STOP IT! It may get you raped, or killed. Ted Bundy, the serial killer, was a good-looking, well educated man, who ALWAYS played on the sympathies of unsuspecting women. He walked with a cane, or a limp, and often asked "for help" into his vehicle or with his vehicle, which is when he abducted his next victim.
I'd like you to forward this to all the women you know. It may save a life. A candle is not dimmed by lighting another candle. I was going to send this to the ladies only, but guys, if you love your mothers, wives, sisters, daughters, etc., you may want to pass it onto them, as well.
Send this to any woman you know that may need to be reminded that the world we live in has a lot of crazies in it and it's better safe than sorry.
If you have a heart or compassion share this photo.
WE CAN SHARE JOKES AND SPAM MAILS TO OUR FRIENDS & NETWORKS
PLEASE FOR ONCE SHARE THIS AND LET'S TRY TO HELP THEM.
‘Helping hands are better than Praying Lips’ – give us your helping hand.
SHARE IT WITH ALL YOUR FRIENDS.
AT LEAST PEOPLES WILL KNOW WHATS GOING IN THE WORLD.
What are the 3 most dangerous Wing Chun Techniques? In this Video Sifu Dan Lok explains what he has learned and experienced to be the most effective for offensive as well as defensive Wing Chun Techniques.
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You can download Dan Lok's best-selling book F.U. Money for FREE: http://dangerous.danlok.link
★☆★ SUBSCRIBE TO DAN'S YOUTUBE CHANNEL NOW ★☆★
https://www.youtube.com/user/vanentrepreneurgroup?sub_confirmation=1
Wing Chun is well known for its unique structures, simultaneous blocking and striking, trapping, rapid vertical punches, a focus on using the shortest distance between two points, and a strategy that includes controlling the center with constant forward pressure. Many of the concepts and techniques work very well in self defense, but unfortunately the way they're most commonly taught and trained makes Wing Chun ineffective for both sport fighting and self defense.
One of Dan Lok’s passions in life is martial arts. Like many young kids, after watching a Bruce Lee movie, it changed his life forever. At 17 years old, Dan started training in martial arts seriously because he was being bullied in school. It wasn’t long for Dan to learn the techniques he needed, and gain the confidence necessary to defend himself.
Dan has studied with legendary martial artist such as Bruce Lee’s original student Ted Wong (http://tedwongjkd.net) and Joe Lewis “The Worlds Greatest Fighter” (http://joelewisassociation.com), making him a second generation student of Bruce Lee - in Bruce Lee's authentic art of Jeet Kune Do (JKD). He's also a third generation student of Ip Man (Wing Chun Kung Fu).
Dan has also trained with other great instructors like Sifu Adam Chan (https://www.pragmaticmartialarts.com), Canadian lightweight boxing champion Tony "Fire Kid" Pep (https://www.facebook.com/pepboxing), and Octavio Quintero (https://www.theartofjkd.com)
For Dan, martial arts training permeates every area of life. It’s not a hobby, it’s a way of life, and it influences how he does business.
Martial arts gave him the confidence, focus, and patience to push through these obstacles and to keep fighting when he felt like giving up.
IMPORTANT NOTE: Dan is NOT a full-time martial artist and he doesn't even claim to be that good of a fighter.
He's simply a successful businessman who enjoys the art and philosophy of Bruce Lee, just like you.
He doesn't have any online martial art videos, seminars or expensive "private training" to sell you. Quite frankly, he doesn't need the money.
He simply wants to share his passion for the art of JKD (his own version of Jeet Kune Do) through his YouTube channel.
Check out the the other Wing Chun Wooden Dummy Training Here: https://www.youtube.com/playlist?list=PLEmTTOfet46Ogeo1dbwo1svwVS5x8kSfd
This Video: 3 Most Dangerous Wing Chun Techniques
https://youtu.be/YBzdkJdgFMs
https://youtu.be/YBzdkJdgFMs
平面上兩點的距離(Math: Distance between two points on a plane)
其它相關學習影片的播放清單:
英文單字倍增法: https://www.youtube.com/playlist?list=PL_xcIE0AQTbZ3VKhzf4ly1lM4i-Z_eBFv
學習中英文: https://www.youtube.com/playlist?list=PL_xcIE0AQTbabhNuVvZWgtajYoF9VawC4
唐詩三百首: https://www.youtube.com/playlist?list=PL_xcIE0AQTbbyg5uLxZotvXfZrK5_t8Br
英文基礎閱讀與聽力: https://www.youtube.com/playlist?list=PL_xcIE0AQTbbn5adEk87hlxbpMZfQDD5G
英文日常口語(English Daily Conversation): https://www.youtube.com/playlist?list=PL_xcIE0AQTbbwKGyw-K8f5jh-mIwARCgJ
情人節英文日常口語: https://www.youtube.com/playlist?list=PL_xcIE0AQTbZp9Al8kBa3iNVONRID_WV9
中文學習: https://www.youtube.com/playlist?list=PL_xcIE0AQTbbNs2hymyK17oTLLlP0y90w
英文常用片語: https://www.youtube.com/playlist?list=PL_xcIE0AQTbbib1KSDPAQlsDuG0BkS0I-
中文成語學習: https://www.youtube.com/playlist?list=PL_xcIE0AQTbaZVeHYfsWTNXgNKymILLIu
ㄅㄆㄇ練習-Chinese Phonics: https://www.youtube.com/playlist?list=PL_xcIE0AQTbY-Svl4p641U-5DCpwlWsXW
ㄅㄆㄇ拼音範例: https://www.youtube.com/playlist?list=PL_xcIE0AQTbYQ4Dk0xqZ4prAr39bvrs3X
唐代李白的詩: https://www.youtube.com/playlist?list=PL_xcIE0AQTbaLq6Ilu4ODNAi-926thnIu
英文基礎文法: https://www.youtube.com/playlist?list=PL_xcIE0AQTbbSMWYX3_CNjd4ZE_lqQppN
英文發音練習 (Phonics): https://www.youtube.com/playlist?list=PL_xcIE0AQTbZMJTrz59dBXXW0qPDGVdLo
ABC 發音練習-ABC Phonics: https://www.youtube.com/playlist?list=PL_xcIE0AQTbYzUqY70d4A9HYNwMqHMdwR
KK發音清晰版-KK Phonics: https://www.youtube.com/playlist?list=PL_xcIE0AQTbbB-Qh7E3Z3tXQimg3Oh75i
3年級數學-Grade 3 Math: https://www.youtube.com/playlist?list=PL_xcIE0AQTbaz_lrxc10dOQPpT-xdZrJ3
4年級數學-Grade 4 Math: https://www.youtube.com/playlist?list=PL_xcIE0AQTbZ26Xw9C0rrYX3pVOjYr2-_
2年級數學-Grade 2 Math: https://www.youtube.com/playlist?list=PL_xcIE0AQTbYmYY2JWHx492eLB-en9JTG
8年級數學-Grade 8 Math: https://www.youtube.com/playlist?list=PL_xcIE0AQTbYjniNhLJOkJqAAhNmoPNY_
7年級數學-Grade 7 Math: https://www.youtube.com/playlist?list=PL_xcIE0AQTbYG-7kDr-fCnDVCNWg6Qf9U
5年級數學-Grade 5 Math: https://www.youtube.com/playlist?list=PL_xcIE0AQTbY0cQ_J95u69cmOskxqNsGr
6年級數學-Grade 6 Math: https://www.youtube.com/playlist?list=PL_xcIE0AQTbaqO07HAxytuNhEr62twSu9
1年級數學 (Grade 1 Math): https://www.youtube.com/playlist?list=PL_xcIE0AQTbY051AXIsmmhDXzvJ1eMr--
中文修辭學 (Chinese Rhetoric) https://www.youtube.com/playlist?list=PL_xcIE0AQTbYECJKZF6evTbdeV2NsSf1T
英文諺語 (English Proverbs) https://www.youtube.com/playlist?list=PL_xcIE0AQTbYOstxkcoh-nI6wjqw_l2fD
This was a rematch of a great fight between these two Lumpinee Stadium veterans in February (http://youtu.be/gmAUd9fqUT0). The rematch didn't disappoint as Saeksan and Anupong traded in some beautiful exchanges of Muay Thai technique.
After going the distance, Anupong took a close points victory (49-48 on the judges scorecards).
http://www.tigermuaythai.com/
http://www.fightingthai.com/
