Students take the national college entrance exam in a prefabricated classroom in earthquake-hit Yingjiang County, southwest China's Yunnan Province, June 7, 2014. The national college entrance exam began on Saturday. A total of 1,099 candidates in Yingjiang, which was hit by a 6.1-magnitude earthquake on May 30, take their national college entrance exams in prefabricated houses. (Xinhua/Xiao Lin)