Students enter a venue in Chaoyang district, Beijing to sit the National College Entrance Examination on June 7, 2021. (Photo: chinadaily.com.cn)

Parents and teachers wait outside the venue as students enter to take part in the National College Entrance Examination in Chaoyang district, Beijing, on June 7, 2021. (Photo: chinadaily.com.cn)

A teacher hugs a student before she enters a venue to sit the National College Entrance Exam in Chaoyang district, Beijing on June 7, 2021. (Photo: chinadaily.com.cn)

Teachers cheer on a student outside a venue in Chaoyang district, Beijing, on June 7, 2021. (Photo: chinadaily.com.cn)

Parents and teachers wait outside the venue as students enter to take part in the National College Entrance Examination in Chaoyang district, Beijing, on June 7, 2021. (Photo: chinadaily.com.cn)

Volunteers serve students, teachers and parents at a venue in Chaoyang district, Beijing on June 7, 2021. (Photo: chinadaily.com.cn)

Teachers wearing read T-shirts outside a test venue cheer students on in Chaoyang district, Beijing, on June 7, 2021. (Photo: chinadaily.com.cn)

Students wait in line at the Chongqing No.11 Middle School to check the venue one day ahead of the National College Entrance Exam on June 6, 2021. (Photo: chinadaily.com.cn)