Graduating high school students take part in a game held to help them relax in the run-up to the National College Entrance Exam (NCEE) at No. 3 High School in Boxing County of Binzhou City, east China's Shandong Province, June 2, 2019. (Photos: Xinhua)

Graduating high school students take part in a game held to help them relax in the run-up to the National College Entrance Exam (NCEE) at No. 3 High School in Boxing County of Binzhou City, east China's Shandong Province, June 2, 2019.

Graduating high school students take part in a game held to help them relax in the run-up to the National College Entrance Exam (NCEE) at No. 1 High School in Daoxian County of Yongzhou City, central China's Hunan Province, June 1, 2019.