Astronauts and scientists of the Delegation of Shenzhou-7 Manned Space Mission attended a seminar at the Chinese University of Hong Kong this afternoon (December 6) to brief about 400 tertiary students on the launch of Shenzhou-7, spacewalk technology and China's aerospace science development. Speaking at the seminar is Deputy Commander-in-Chief of China's Manned Space Engineering Programme, Mr Zhang Jianqi.   Close