(210607) -- HEFEI, June 7, 2021 (Xinhua) -- A teacher claps with an examinee at an exam site of a high school in Hefei, capital of east China's Anhui Province, June 7, 2021. China's annual college entrance exam, better known as the Gaokao, kicked off Monday morning with a record 10.78 million candidates signing up for perhaps the world's most grueling test. (Xinhua/Zhang Duan)
