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Aerial photo taken on July 30, 2019 shows tourists going sightseeing on a transparent cantilever bridge at the Yunyang Longgang Geological Park in Chongqing, southwest China. (Xinhua/Wang Quanchao)
Aerial photo taken on July 30, 2019 shows tourists going sightseeing on a transparent cantilever bridge at the Yunyang Longgang Geological Park in Chongqing, southwest China. (Xinhua/Wang Quanchao)