A passenger vessel takes part in a rescue drill in Yantai, East China's Shandong province, September 8, 2015. The search-and-rescue drill for a passenger ship involved 22 rescue ships, two helicopters and more than 900 participants. Jointly launched by the Ministry of Transport of the People's Republic of China, and the Shandong provincial government, the drill represents the largest one of this kind in the country. (Photo: China News Service/ Cai Hongwen)
