Nanchang has encouraged farmers and specialized cooperatives to raise crayfish in lotus ponds so as to increase incomes. (Photos: Xinhua)

Farmers catch crawfish in a lotus pond at Lianwei Town in Xinjian District of Nanchang City, east China's Jiangxi Province, June 12, 2020.

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.

Farmers catch crawfish in a lotus pond at Lianwei Town in Xinjian District of Nanchang City, east China's Jiangxi Province, June 12, 2020.

A farmer shows the crawfish he caught in a lotus pond at Lianwei Town in Xinjian District of Nanchang City, east China's Jiangxi Province, June 12, 2020.

Farmers catch crawfish in a lotus pond at Lianwei Town in Xinjian District of Nanchang City, east China's Jiangxi Province, June 12, 2020.