Students study in the evening ahead of the annual national college entrance examination, or `gaokao`, at a high school in Handan, Hebei province, China on 23 May. Photo: ReutersStudents launch a Kongming lantern asking for success in the upcoming national college entrance exam, or `gaokao`, in Luan, Anhui province, China on 1 June 2018. Photo: ReutersStudents attend an oath-taking rally held on the graduation day, ahead of the annual national college entrance examination, or `gaokao`, at a high school in Zhumadian, Henan province, China on 3 June 2018. Photo: ReutersStudents study along corridoors at a high school ahead of the annual national college entrance examination, or `gaokao`, in Hengyang, Hunan province, China, 3 June 2018. Photo: ReutersStudents launch a Kongming lantern asking for success in the upcoming national college entrance exam, or `gaokao`, in Luan, Anhui province, China on 1 June 2018. Photo: ReutersStudents launch a Kongming lantern asking for success in the upcoming national college entrance exam, or `gaokao`, in Luan, Anhui province, China on 1 June 1, 2018. Photo: ReutersTeachers run with signs as they cheer for students at a rally ahead of the annual national college entrance examination, or `gaokao`, at a high school in Hengshui, Hebei province, China on 24 May 2018. Photo: Reuters
