Children perform as they take part in an anti-smoking activity to observe World No Tobacco Day which will fall on May 31 in Hefei, capital of east China's Anhui Province, May 30, 2011. (Xinhua/Guo Chen)
Children dance as they take part in an anti-smoking activity to observe World No Tobacco Day which will fall on May 31 in Hefei, capital of east China's Anhui Province, May 30, 2011. (Xinhua/Guo Chen)
Children perform as they take part in an anti-smoking activity to observe World No Tobacco Day which will fall on May 31 in Hefei, capital of east China's Anhui Province, May 30, 2011. (Xinhua/Guo Chen)
