Zhang Feng, 37, who weighs 200 kg (441 lbs), sits on a sofa with his wife holding his big-size clothes in Fugu County, northwest China's Shaanxi province, March 22,2006. Picture taken March 22, 2006. Due to obesity, Zhang has difficulty in dealing with daily chores. According to doctors, if not effectively controlled, the excessive weight may pose a threat to his life.[Newsphoto]