Volunteers provide bottled water to students at a national college entrance examination site in Changsha, central China's Hunan Province, June 8, 2025. Tianxin District of Changsha has organised volunteers to provide help for students and their parents at multiple local examination sites during this year's national college entrance exam. (Xinhua/Chen Zhenhai)

A volunteer maintains order outside a national college entrance examination site in Changsha, central China's Hunan Province, June 8, 2025. Tianxin District of Changsha has organised volunteers to provide help for students and their parents at multiple local examination sites during this year's national college entrance exam. (Xinhua/Chen Zhenhai)

Volunteers provide bottled water to a student at a national college entrance examination site in Changsha, central China's Hunan Province, June 8, 2025. Tianxin District of Changsha has organised volunteers to provide help for students and their parents at multiple local examination sites during this year's national college entrance exam. (Xinhua/Chen Zhenhai)

Volunteers maintain order outside a national college entrance examination site in Changsha, central China's Hunan Province, June 8, 2025. Tianxin District of Changsha has organised volunteers to provide help for students and their parents at multiple local examination sites during this year's national college entrance exam. (Xinhua/Chen Zhenhai)

A volunteer guides students to enter a national college entrance examination site in Changsha, central China's Hunan Province, June 8, 2025. Tianxin District of Changsha has organised volunteers to provide help for students and their parents at multiple local examination sites during this year's national college entrance exam. (Xinhua/Chen Zhenhai)