People take part in a rescue drill on the Bohai Sea, Sept 7, 2010. A total of 14 vessels and one helicopter participated in the drill, in which an oil tanker had a fake oil spill and caught fire in the offshore oil production areas. [Photo/Xinhua]
A coast guard vessel leads a rescue ship to the drill area on the Bohai Sea, Sept 7, 2010. [Photo/Xinhua]