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People row boats at the Buen Retiro Park in Madrid, Spain, Aug. 4, 2018. Severe heatwave gripped several parts of Spain. (Xinhua/Guo Qiuda)
People row boats at the Buen Retiro Park in Madrid, Spain, Aug. 4, 2018. Severe heatwave gripped several parts of Spain. (Xinhua/Guo Qiuda)