Ways to cool off in heat of summer

People cool off in a swimming pool in Harbin, Heilongjiang province, July 8, 2017. [Photo/VCG] People cool off in a swimming pool in Harbin, Heilongjiang province, July 8, 2017. [Photo/VCG] People walk on a rail under the shade of trees in Nanjing, Jiangsu province, July 8, 2017. [Photo/VCG] People enjoy coolness in the shade of trees…