To Lich River flows through six inner districts of Hanoi

To Lich River was once severely polluted by the dumping of thousands of cubic metres of sewage water into it each day

A worker uses a raft to flow along the river and a trident to pick up trash

Besides cleaning the river, environment workers also tidy up its bank by sweeping dirt and trimming trees and grass

Aquatic plants are placed in the river to help clean up the water

Modern equipment is used for riverbed dredging everyday

Environment worker tidies up grass on the river bank

Collecting trash is also a job of poor households nearby

All environment workers expect people to stop littering in To Lich river

Photo: VNA