
People take evening walks along Singapore's Upper Seletar Reservoir on Nov. 11, 2020. (Photo by Then Chih Wey/Xinhua)

People take evening walks along Singapore's Upper Seletar Reservoir on Nov. 11, 2020. (Photo by Then Chih Wey/Xinhua)

People take evening walks along Singapore's Upper Seletar Reservoir on Nov. 11, 2020. (Photo by Then Chih Wey/Xinhua)