HÀ NỘI — The capital city’s Hoàn Kiếm Lake will be dredged and cleaned by the end of July, said Võ Tiến Hùng, general director of Hà Nội Sewerage and Drainage Company Ltd.Speaking at a press meeting on Tuesday, Hùng said the lake is severely polluted and has lost the ability to revive itself. Its water quality is getting poorer by the day, its pH level is high, and the amount of suspended deposits is higher than the permissible limit at all five monitoring locations. Tiếp tục đọc “Hà Nội’s Hoàn Kiếm Lake to be cleaned” →