The video grab taken on Sept. 27, 2008 in Beijing, China, shows Chinese taikonaut Zhai Zhigang slipping out of the orbital module of Shenzhou-7, starting China's first spacewalk in the outer space. (Xinhua Photo)

The video grab taken on Sept. 27, 2008 at the Beijing Space Command and Control Center in Beijing, China, shows the Shenzhou-7 mission leader Zhai Zhigang waving a China's ntional flag outside of the orbital module. (Xinhua/Zha Chunming)