Farmers catch crayfish in a lotus pond at Lianwei Town in Xinjian District of Nanchang City, east China's Jiangxi Province, June 12, 2020. Nanchang has encouraged farmers and specialized cooperatives to raise crayfish in lotus ponds so as to increase incomes. Photo:Xinhua

A tourist takes a photo of lotus flowers at Lianwei Town in Xinjian District of Nanchang City, east China's Jiangxi Province, June 12, 2020. Nanchang has encouraged farmers and specialized cooperatives to raise crayfish in lotus ponds so as to increase incomes.Photo:Xinhua

Farmers catch crayfish in a lotus pond at Lianwei Town in Xinjian District of Nanchang City, east China's Jiangxi Province, June 12, 2020. Nanchang has encouraged farmers and specialized cooperatives to raise crayfish in lotus ponds so as to increase incomes.Photo:Xinhua

Farmers catch crayfish in a lotus pond at Lianwei Town in Xinjian District of Nanchang City, east China's Jiangxi Province, June 12, 2020. Nanchang has encouraged farmers and specialized cooperatives to raise crayfish in lotus ponds so as to increase incomes. Photo:Xinhua