(From left) The Deputy Chief Commander of the China Manned Space Engineering Project and Deputy Chief of the General Armaments Department of the People's Liberation Army, Mr Niu Hongguang , astronauts Mr Liu Wang, Ms Liu Yang and Mr Jing Haipeng, and the Acting Financial Secretary, Professor K C Chan officiate at the opening ceremony of "Exhibition on China's First Manned Space Docking Mission" at the Hong Kong Science Museum.   Close