People cool themselves in a river in Riga, Latvia, on July 13, 2021. The Latvian Environment, Geology and Meteorology Center has issued a red heat warning in the country, which is in effect until Friday.(Photo: Xinhua)
People relax in the tree shade in Riga, Latvia, on July 13, 2021. The Latvian Environment, Geology and Meteorology Center has issued a red heat warning in the country, which is in effect until Friday.(Photo: Xinhua)
People cool themselves in a river in Riga, Latvia, on July 13, 2021. The Latvian Environment, Geology and Meteorology Center has issued a red heat warning in the country, which is in effect until Friday.(Photo: Xinhua)