People shop at a local speciality fair helping the poverty alleviation efforts in less-developed regions in Hexi District in north China's Tianjin, Sept. 4, 2020. (Photo by Sun Fanyue/Xinhua)

An exhibitor presents a product at a local speciality fair helping the poverty alleviation efforts in less-developed regions in Hexi District in north China's Tianjin, Sept. 4, 2020. (Photo by Sun Fanyue/Xinhua)

People shop at a local speciality fair helping the poverty alleviation efforts in less-developed regions in Hexi District in north China's Tianjin, Sept. 4, 2020. (Photo by Sun Fanyue/Xinhua)

A customer pays by phone at a local speciality fair helping the poverty alleviation efforts in less-developed regions in Hexi District in north China's Tianjin, Sept. 4, 2020. (Photo by Sun Fanyue/Xinhua)