A staff worker is seen at a mushroom industry park in Pengyang County, northwest China's Ningxia Hui Autonomous Region, May 6, 2016. The county introduced edible mushroom cultivation experts and skills from southeast China's Fujian Province in recent years. So far, Pengyang has established edible mushroom cultivation bases covering an area of more than 33 hectares and held training classes for more than 1,000 people. (Xinhua/Peng Zhaozhi)