Wetland plants help purify fish farm wastewater in Cehu Lake

Photo taken on June 9,2026 showstwo fish farmers working on a boat at a treated fish farm wastewater demonstration site in CehuLakeNational Wetland Park, Xishui County, Hubei Province. In recent years, the park management has promoted eco-friendly treatment of farm wastewater, using aquatic plants such as water canna and water lily to purify the water in stages. (Photo: pic.hubeidaily.net/Wang Jiang)