A blue-and-yellow macaw enjoys spray-cooling at Shanghai Zoo in east China's Shanghai, July 21, 2017. The meteorological department of east China metropolis Shanghai recorded an air temperature of 40.9 degrees Celsius (105.6 degrees Fahrenheit) at around 2 p.m. Friday, the highest on record in the city in 145 years. The Shanghai Zoo has took many measures to keep the animals cool. (Xinhua/Zhang Jiansong)