Photo taken on July 17, 2017 shows a sun bear staying in pool for cool in Hongshan Forest Zoo, Nanjing City, capital of east China's Jiangsu Province. The Meteorological Observatory of Jiangsu issued a yellow level heat warning on Monday, which expects that the temperature of most areas in Jiangsu will rise over 37 degree Celsius on July 17 and 18. The Hongshan Forest Zoo has took measures to keep the animals cool. (Xinhua/Feng Xiao)
