People harvest crayfish in Mingzuling Town of Xuyi County, east China's Jiangsu Province, May 18, 2018. Xuyi County is famous for its crayfish industry. (Photos: Xinhua)

People harvest crayfish in Mingzuling Town of Xuyi County, east China's Jiangsu Province, May 18, 2018. Xuyi County is famous for its crayfish industry.

Tourists taste the crayfish in Mingzuling Town of Xuyi County, east China's Jiangsu Province, May 18, 2018. Xuyi County is famous for its crayfish industry.

People harvest crayfish in Mingzuling Town of Xuyi County, east China's Jiangsu Province, May 18, 2018. Xuyi County is famous for its crayfish industry.

A fisherman shows the crayfish in Mingzuling Town of Xuyi County, east China's Jiangsu Province, May 18, 2018. Xuyi County is famous for its crayfish industry.