English.news.cn|2015-03-31 16:07:53| Editor: Mengjie
Photo taken on March 30, 2015 shows helicopters formation flying during a drill in northwest China's Xinjiang Uygur Autonomous Region. An army aviation brigade under the Xinjiang Military area command of the Chinese People's Liberation Army (PLA) conducted a day-night drill under actual combat conditions on Monday. (Xinhua/Zhao Ge)
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