Bottles of drinking water are placed outside a center where exam markers look at test papers from this year's gaokao, the national college entrance exam, in Southwest China’s Chongqing Municipality, June 11, 2016. More than 1,300 exam markers were responsible for marking 800,000 test papers from 210,662 gaokao students. The marking work also used 1,500 computers, 30 servers and 13 high-speed scanners. (Photo/CFP)
