Crabs raised in rice paddies in Caofeidian, north China's Hebei

A farmer shows crabs raised in rice paddies at a farm in the Caofeidian District of Tangshan, north China's Hebei Province, July 28, 2018. For years, the farm in Tangshan has stuck to a mixed farming mode which effectively boosted economic yields by raising crabs together with organic rice. (Xinhua/Yang Shiyao)