How this Hong Kong man becomes mahjong world champion

Hong Kong's mahjong experts are being given a chance to take on the world for serious money as the ancient Chinese game's global championship returns after five years. The final games will be played on December 5th and 6th in Macau. SCMP.tv speaks to Chan Tak-kwan, a 39-year-old furniture salesman who won the 2010 World Series, to find out what it takes to play the game well and what it means to him.