Soldiers of the Chinese People's Liberation Army (PLA) stand in their formation at a barrack during the rotation ceremony in Hong Kong, south China, Nov. 25, 2012. The Chinese PLA garrison troops in the Hong Kong Special Administrative Region (HKSAR) conducted its 15th troop rotation on Sunday since it assumed Hong Kong's defense responsibility on July 1, 1997. (Xinhua/Lui Siu Wai)

 Soldiers of the Chinese People's Liberation Army (PLA) run during the rotation ceremony in Hong Kong, south China, Nov. 25, 2012. The Chinese PLA garrison troops in the Hong Kong Special Administrative Region (HKSAR) conducted its 15th troop rotation on Sunday since it assumed Hong Kong's defense responsibility on July 1, 1997. (Xinhua/Lui Siu Wai)

Soldiers of the Chinese People's Liberation Army (PLA) stand in their formation at a barrack during the rotation ceremony in Hong Kong, south China, Nov. 25, 2012. The Chinese PLA garrison troops in the Hong Kong Special Administrative Region (HKSAR) conducted its 15th troop rotation on Sunday since it assumed Hong Kong's defense responsibility on July 1, 1997. (Xinhua/Lui Siu Wai) 

An armed vehicle of the Chinese People's Liberation Army (PLA) arrives at the Lok Ma Chau checkpoint for troop rotation in Hong Kong, south China, Nov. 25, 2012. The Chinese PLA garrison troops in the Hong Kong Special Administrative Region (HKSAR) conducted its 15th troop rotation on Sunday since it assumed Hong Kong's defense responsibility on July 1, 1997. (Xinhua/Lui Siu Wai) 

 Soldiers of the Chinese People's Liberation Army (PLA) take part in the rotation ceremony at the Stonecutters Island Naval Base in Hong Kong, south China, Nov. 25, 2012. The Chinese PLA garrison troops in the Hong Kong Special Administrative Region (HKSAR) conducted its 15th troop rotation on Sunday since it assumed Hong Kong's defense responsibility on July 1, 1997. (Xinhua/Lui Siu Wai)

 Soldiers of the Chinese People's Liberation Army (PLA) take part in the rotation ceremony at the Stonecutters Island Naval Base in Hong Kong, south China, Nov. 25, 2012. The Chinese PLA garrison troops in the Hong Kong Special Administrative Region (HKSAR) conducted its 15th troop rotation on Sunday since it assumed Hong Kong's defense responsibility on July 1, 1997. (Xinhua/Lui Siu Wai)

 A seaman of the Chinese People's Liberation Army (PLA) salutes in the rotation ceremony in Hong Kong, south China, Nov. 25, 2012. The Chinese PLA garrison troops in the Hong Kong Special Administrative Region (HKSAR) conducted its 15th troop rotation on Sunday since it assumed Hong Kong's defense responsibility on July 1, 1997. (Xinhua/Lui Siu Wai)