Peng Liyuan (L), China’s antismoking ambassador, and Bill Gates, co-chairman of the Bill & Melinda Gates Foundation, attend an antismoking campaign ahead of the 25th World No Tobacco Day, in Beijing on Tuesday. World No Tobacco Day falls on May 31 every year. China is the largest tobacco producing and consuming country in the world, with more than 300 million smokers. (More on Page 4)SD-Agencies