China's national college entrance exam starts

An examinee hugs her mother before entering an exam site at the Experimental High School Attached to Beijing Normal University in Beijing, capital of China, June 7, 2023. China's national college entrance exam, also known as "Gaokao", started Wednesday this year. (Xinhua/Li Xin)

An examinee waves to her family members outside an exam site at the Experimental High School Attached to Beijing Normal University in Beijing, capital of China, June 7, 2023. China's national college entrance exam, also known as "Gaokao", started Wednesday this year. (Xinhua/Li Xin)

A mother hugs her son outside an exam site at the Experimental High School Attached to Beijing Normal University in Beijing, capital of China, June 7, 2023. China's national college entrance exam, also known as "Gaokao", started Wednesday this year. (Xinhua/Li Xin)

A woman cheers on her daughter outside an exam site at the Experimental High School Attached to Beijing Normal University in Beijing, capital of China, June 7, 2023. China's national college entrance exam, also known as "Gaokao", started Wednesday this year. (Xinhua/Li Xin)

Examinees pose for a group photo outside an exam site at the Experimental High School Attached to Beijing Normal University in Beijing, capital of China, June 7, 2023. China's national college entrance exam, also known as "Gaokao", started Wednesday this year. (Xinhua/Li Xin)

Parents of examinees wait outside an exam site at the Experimental High School Attached to Beijing Normal University in Beijing, capital of China, June 7, 2023. China's national college entrance exam, also known as "Gaokao", started Wednesday this year. (Xinhua/Li Xin)

Teachers cheer on examinees outside an exam site at Wudang High School in Guiyang, southwest China's Guizhou Province, June 7, 2023. China's national college entrance exam, also known as "gaokao", started Wednesday this year. (Xinhua/Tao Liang)

Examinees interact with teachers outside an exam site at Wudang High School in Guiyang, southwest China's Guizhou Province, June 7, 2023. China's national college entrance exam, also known as "gaokao", started Wednesday this year. (Xinhua/Tao Liang)

Examinees wait outside an exam site at Wudang High School in Guiyang, southwest China's Guizhou Province, June 7, 2023. China's national college entrance exam, also known as "gaokao", started Wednesday this year. (Xinhua/Tao Liang)

Teachers cheer on examinees outside an exam site at Wudang High School in Guiyang, southwest China's Guizhou Province, June 7, 2023. China's national college entrance exam, also known as "gaokao", started Wednesday this year. (Xinhua/Tao Liang)