In this Week in Photos, the annual gaokao, or college entrance exam, begins and ends across the country; attendees try on high-tech face massagers at the Consumer Electronics Show Asia in Shanghai; and 795 people wash their hair together to set a new Guinness World Record in Taiyuan, Shanxi province.

1 of 7

Crowds of relatives see students off as they leave Maotanchang High School for nearby Lu’an City to take the annual ‘gaokao,’ or college entrance exam, Maotanchang Town, Anhui province, June 5, 2017. Jason Lee/Reuters

1 of 7

Relatives welcome the first candidate to emerge from taking the national college entrance exam in Yantai, Shandong province, June 8, 2017. Tang Ke/IC

1 of 7

Attendees try on ETK face massagers at the Consumer Electronics Show Asia in Shanghai, June 7, 2017. Qilai Shen/Bloomberg/VCG

1 of 7

A woman holds her son on a horse while herding livestock in Fuhai County, Xinjiang Uyghur Autonomous Region, June 6, 2017. Li Haiting/VCG

1 of 7

A young man takes a selfie in front of a high wave in Qingdao, Shandong province, June 6, 2017. Wang Haibin/VCG

1 of 7

A total of 795 people wash their hair together to set a new Guinness World Record for the largest number of people washing their hair simultaneously in Taiyuan, Shanxi province, June 8, 2017. Deng Yinming/VCG

1 of 7

Two firefighters in protective suits leave the scene after extinguishing a fire caused by a toxic chemical leak in Nanning, Guangxi Zhuang Autonomous Region, June 9, 2017. VCG