First grade pupil Hu Yunhua, wearing a 2010 Expo mascot Haibao haircut, does his homework at Nan'an district in Chongqing municipality on June 29. Thanks to his father, the boy's head had witnessed all big recent events in China, including the Beijing Olympics, the 60th anniversary of the founding of new China and the 2010 Shanghai Expo. Hu is coming to the Expo Gardon next week to wow the guests. [Photo/CFP]

Hu poses with his friends in the neighborhood, all with the 2010 expo mascot Haibao on their head. [Photo/CFP]