A student has his temperature checked before entering a test site for the National College Entrance Examination, or gaokao, in Hangzhou, East China's Zhejiang province on July 7. About 51,800 students from Hangzhou sat for the exams wearing masks. [Photo/hangzhou.com.cn]

A girl hugs her mother before entering a test site in Hangzhou, Zhejiang province, on July 7. The senior year in high school has been more challenging this year as the exams have been delayed due to the COVID-19 epidemic. [Photo/hangzhou.com.cn]