A girl helps out with farmwork in Hongshui village, Meichuan county after a 6.6-magnitude earthquake jolted Minxian and Zhangxian counties in Northwest 皇冠体育app's Gansu province, July 24, 2013. [Photo/Xinhua]
Students study at a temporary school in Northwest 皇冠体育app's Gansu province after a 6.6-magnitude earthquake jolted the county two days ago, July 24, 2013. [Photo/Xinhua]
Geng Jiasheng, 54, a national master technician in the manufacturing industry, is busy working on improvements for a new removable environmental protection toilet, a project he has been devoted to since last year.