Aerial photo taken on July 21, 2017 shows the bird's-eye view of the Yunyang Longgang scenic spot, a national geological park in southwest China's Chongqing. (Xinhua/Liu Chan)
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Aerial photo taken on July 21, 2017 shows the bird's-eye view of the Yunyang Longgang scenic spot, a national geological park in southwest China's Chongqing. (Xinhua/Liu Chan)