Airplane of flight HU7777 is welcomed by people at the Boao airport in Qionghai, south China's Hainan Province, March 17, 2016. An airport being built on the Chinese island province of Hainan to serve the Boao Forum for Asia (BFA) Annual Conference has begun a period of trial operation encompassing this year's event. (Photo: Xinhua/Meng Zhongde)
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