Students at the No 2 Middle School in Ningbo, Zhejiang province, take part in a color run on June 9, one day after they finished the national college entrance exam, or gaokao. (Photos: IC)

A student kisses her father after finishing the national college entrance exam, or gaokao, at No 9 Middle School in Nanjing, Jiangsu province, on June 9, 2019.

A parent holds her son's face after he finished the national college entrance exam, or gaokao, at Beijing No 4 Middle School, on June 8, 2019.

Students pose for a photo after finishing the national college entrance exam, or gaokao, at No 2 Middle School in Sanya, Hainan province, June 9, 2019.

Students react when they see their parents waiting outside the No 9 Middle School in Nanjing, Jiangsu province, on June 9, after finishing the national college entrance exam, or gaokao.