As the new school year starts, college students are returning to campus in Beijing under tight epidemic prevention and control measures. (Photos: Xinhua)

A freshman (2nd L) registers at the Khoo Teck Puat Gymnasium of the Peking University in Beijing, capital of China on Sept. 1, 2020.

A freshman registers at the Khoo Teck Puat Gymnasium of the Peking University in Beijing, capital of China on Sept. 1, 2020.

A freshman (front L) walks with his father in the campus of the Peking University in Beijing, capital of China on Sept. 1, 2020.

A freshman (front) walks in the campus of the Peking University in Beijing, capital of China on Sept. 1, 2020.

A freshman (1st R) walks with a family member (2nd R) in the campus of the Peking University in Beijing, capital of China on Sept. 1, 2020.