Erosion and subsidence along canals, rivers and coasts have been severe in many areas in the Cửu Long (Mekong) Delta and local authorities are struggling to raise funds for works to prevent them.
A drainage system that cost VNĐ258 billion (US$11.1 million) has been in operation for only 72 hours since it was built in Phú Thọ Province in 2016.
Chả Ká offers a wide range of fish dishes.
The group is trying to turn the area at the foot of Long Biên Bridge, which is mostly frequented by homeless people and scrap-iron dealers, into an attractive spot for local youths and tourists.
More than one in every three Vietnamese lives in a city, but many of them still have rural roots.