Students from Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province stand in formation as they undergo their 15-day military training, starting on Aug 25, 2019. It's always the first class for freshmen at universities and middle school students in China. The purpose is to enhance students' health and mental strength through training sessions as they first leave home. (Photos: IC)

Students from Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province stand in formation as they undergo their 15-day military training, starting on Aug 25, 2019.

Students from Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province stand in formation as they undergo their 15-day military training, starting on Aug 25, 2019.

Students take part in military training at Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province on Aug 25, 2019.

Students from Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province stand in formation as they undergo their 15-day military training, starting on Aug 25, 2019.

Students from Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province stand in formation as they undergo their 15-day military training, starting on Aug 25, 2019.

Students take part in military training at Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province on Aug 25, 2019.

Students take part in military training at Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province on Aug 25, 2019.

Students take part in military training at Xuanhua No 2 Middle School in Zhangjiakou, North China's Hebei province on Aug 25, 2019.