Farmers dry goji berries in Guazhou county of Jiuquan, Gansu province. CHINA DAILY Authorities in China's Qinghai and Gansu provinces announced on Monday that they will investigate the planting and ...

Ouyang Xuezi and her 7-year-old son experienced the workshop for the first time last month. Living in Guazhou county in Jiuquan, a two-hour drive away, they often come to Dunhuang for the weekend.