Marines participate in a war game in north China's Inner Mongolia Autonomous Region, March 15, 2014. The marine corps with the Chinese navy on Friday concluded the war game to practise combat abilities in cold environments, according to military sources. (Xinhua/Zha Chunming)   

Marines participate in a war game in north China's Inner Mongolia Autonomous Region, March 15, 2014. The marine corps with the Chinese navy on Friday concluded the war game to practise combat abilities in cold environments, according to military sources. (Xinhua/Zha Chunming)

Marines participate in a war game in north China's Inner Mongolia Autonomous Region, March 15, 2014. The marine corps with the Chinese navy on Friday concluded the war game to practise combat abilities in cold environments, according to military sources. (Xinhua/Zha Chunming)

Marines participate in a war game in north China's Inner Mongolia Autonomous Region, March 15, 2014. The marine corps with the Chinese navy on Friday concluded the war game to practise combat abilities in cold environments, according to military sources. (Xinhua/Zha Chunming)

Marines participate in a war game in north China's Inner Mongolia Autonomous Region, March 15, 2014. The marine corps with the Chinese navy on Friday concluded the war game to practise combat abilities in cold environments, according to military sources. (Xinhua/Zha Chunming)

A marine participates in a war game in north China's Inner Mongolia Autonomous Region, March 15, 2014. The marine corps with the Chinese navy on Friday concluded the war game to practise combat abilities in cold environments, according to military sources. (Xinhua/Zha Chunming)

Marines participate in a war game in north China's Inner Mongolia Autonomous Region, March 15, 2014. The marine corps with the Chinese navy on Friday concluded the war game to practise combat abilities in cold environments, according to military sources. (Xinhua/Zha Chunming)