A newly-enrolled pupil presents her calligraphy work of a Chinese character "Ren" (meaning "human" in English) during an activity in the Yunhe District of Cangzhou City, north China's Hebei Province, Aug. 29, 2018. Schools in China prepared many activities for students to greet the new semester after summer vacation. (Photos: Xinhua)

Folk artist Yang Huanzhen teaches pupils to sing songs of Kam Grand Choir, the polyphonic choir singing, at Jiali Primary School in Zaima Town of Rongjiang County, southwest China's Guizhou Province, Aug. 29, 2018.

Newly-enrolled students take part in a military training at Hengyang No. 3 High School in Hengyang County, central China's Hunan Province, Aug. 29, 2018.

A newly-enrolled pupil learns to write a Chinese character "Ren" (meaning "human" in English) during an opening ceremony on the school opening day in Leidian Town of Deqing County in Huzhou City, east China's Zhejiang Province, Aug. 29, 2018.

A teacher demonstrates Chinese calligraphy skills for students during an activity at the first lesson of the new term at the Danzhai No. 3 Middle School in Danzhai County, southwest China's Guizhou Province, Aug. 29, 2018.

Newly-enrolled middle school students learn to do first aid during military training practice at Xinshi Middle School in Xinshi Town of Huzhou City, east China's Zhejiang Province, Aug. 29, 2018.

The 71-year-old puppet show player Jiang Wanbao performs for children at a kindergarten in Changxing County, east China's Zhejiang Province, Aug. 30, 2018.

Children experience facial mask painting at a kindergarten in Changxing County, east China's Zhejiang Province, Aug. 30, 2018.