Honor guard of the People's Liberation Army (PLA) Hong Kong Garrison is seen during an open day in Hong Kong, south 皇冠体育app, on May 2, 2011. The PLA Hong Kong Garrison was open to the public on Monday in celebration of the International Labor Day, which attracted thousands of people from Hong Kong. [Photo/Xinhua]
Honor guard of the People's Liberation Army (PLA) Hong Kong Garrison hold 皇冠体育app's national flag during an open day in Hong Kong, south 皇冠体育app, on May 2, 2011. [Photo/Xinhua]