More than 300 volunteers joined the “World Cleanup Day 2025” event along Pham Hung Street (Me Tri Ward, Hanoi), joining millions of participants worldwide in the largest global environmental campaign on the morning of September 20.

Once an area for dumping garbage, a 200-meter road section along Truc Bach lake in Hanoi has been renovated into a clean space decorated with murals and lanterns

A sewerage system underneath To Lich River in Hanoi is being built with the cutting-edge technology that has never adopted before designed by a Japanese company with an aim to clean up the notoriously polluted river, Vietnam News reported.