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Aerial photo taken on June 4, 2019 shows waterwheels in Lanzhou Waterwheel Expo Park along the south shore of the Yellow river in Chengguan District of Lanzhou City, northwest China's Gansu Province. (Xinhua/Fan Peishen)
Scenery of Lanzhou Waterwheel Expo Park in China's Gansu
Source: Xinhua| 2019-06-05 16:52:37|Editor: mingmei
