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Tourists hike in the Picos de Europa National Park in Spain, Aug. 21, 2019. (Xinhua/Guo Qiuda)
In pics：Picos de Europa National Park in Spain
Source: Xinhua| 2019-08-22 11:09:57|Editor: Liu
Tourists hike in the Picos de Europa National Park in Spain, Aug. 21, 2019. (Xinhua/Guo Qiuda)
