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Photo taken on Aug. 29, 2020 shows a hot air balloon floating above the National Arboretum Canberra in thick fog in Canberra, Australia. (Photo by Liu Changchang/Xinhua)
Photo taken on Aug. 29, 2020 shows a hot air balloon floating above the National Arboretum Canberra in thick fog in Canberra, Australia. (Photo by Liu Changchang/Xinhua)