China's first astronaut Yang Liwei (3rd L) and Chief Executive of China's Hong Kong Special Administrative Region Tung Chee Hwa (2nd R) cut the ribbon at the opening ceremony of the Exhibition on China's First Manned Space Mission in Hong Kong Science Museum in Hong Kong, Nov. 1. The delegation of China's first manned space mission, including Yang, arrived in Hong Kong Friday afternoon for a six-day visit. (Xinhua photo)