www射-国产免费一级-欧美福利-亚洲成人福利-成人一区在线观看-亚州成人

Participants try to force a smile on their faces during a group laughing campaign in Haikou, south China's Hainan province, June 28, 2009. More than 60 white collar workers took the chance to laugh off the pressure in the office. [CFP]