Candidates to take the national college entrance examination, or gaokao, walk into a test site at a high school in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

A gaokao candidate enters a test site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

Candidates prepare to enter an exam site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

A gaokao candidate enters a test site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

Teachers holding up placards cheer for the students outside a test site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

A candidate enters a test site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

A candidate has his temperature taken before entering a test site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

A candidate enters a test site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

Teachers wearing masks with a slogan cheering for the students wait outside a test site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)

Teachers cheer for students as they enter a test site in Beijing on July 7, 2020. (PHOTO / CHINA DAILY)