Students take an examination on an open-air playground at a high school in Yichuan, Shaanxi province April 11, 2015. More than 1,700 freshmen students took part in the exam on Saturday, which was the first attempt by the school to take it in open-air. The school said the reasons was due to the insufficient indoor space and also that it could be a test of the students' organizing capacity, local media reported. (Photo by Reuters/Stringer)
