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Aerial photo taken on Aug. 1, 2018 shows a sand dune reserved by an eco-technology center at the Kubuqi Desert in Hangjin Banner, north China's Inner Mongolia Autonomous Region.(Xinhua/Xing Guangli)
Xi Focus: Xi leads green development as world's largest horticultural expo opens
Source: Xinhua| 2019-04-29 00:28:21|Editor: ZX
