Youngsters climb at a Hangzhou international youth camp in Dongqiao township of Hangzhou, capital of east China's Zhejiang Province, June 30, 2017. With an area of more than 1,100 Mu (about 73 hectares), the camp was designed to attract young people to take training sessions on independent life, surviving skills, military experience and so on. (Xinhua/Huang Zongzhi)
