The Chinese scientific research ship Dayang Yihao, or Ocean One, sets sail in Guangzhou, capital of south China's Guangdong Province, Dec. 8, 2010. Dayang Yihao set out here Wednesday, starting a 376-day global trip that across the Pacific, Atlantic and Indian oceans, with its research mission on hot liquid sulfides and deep-sea biological diversity. This was China's 22nd deep-sea scientific research mission and the third global voyage of Dayang Yihao. A total of 431 scientists joint the research in different phases of the voyage. [Xinhua]