Security tightened in C China ahead of National Day
時(shí)間:2009-09-25 09:29 來(lái)源：SRC-174
An aviation policeman pilots the police helicopter in a routine patrol aviation for the tightening the orderly security guarding for the grand celebration of the National Day, in Zhengzhou, central China's Henan Province, Sept. 23, 2009. (Xinhua/Liu Shuting)
