This file photo dated on August, 2008 shows Chinese taikonauts (front L-R) Zhai Zhigang, Liu Boming and Jing Haipeng planting trees at the Jiuquan Satellite Launch Center in Gansu province of northwestern China.

File photo dated on August 21, 2008 shows Chinese taikonaut Jing Haipeng (L) is checked by medical workers.