This combination photo taken on Aug 2, 2016 shows 40 degrees Celsius on a thermometer (upper) and a ring-tailed lemur eats a piece of watermelon in a zoo in Nanchang,East China's Jiangxi province. Heat wave engulfed most part of China recently. Even the chilliest city of China Hulun Buir in North China's Inner Mongolia autonomous region, registered a temperature of 44.1 degrees Celsius (about 111 degrees Fahrenheit) on Wednesday, the highest in the city's history. [Photo/Xinhua]