Small huts stand the test of time!
Houses with clay walls and brick roofs create a perfect picture along a highway in Lang Son Province. Photos: Luu Minh Dan/VnExpress
The houses belong to the Tay and Nung ethnic groups. They build the walls with clay, of 50 to 70 centimeters thick, and some are still standing strong after several centuries.
Houses surrounded by stone fences at a village near the Chinese border.
The houses are built with perfect symmetry. Some houses have as many as 10 windows.
Some families recently painted their walls with limewash
The brick roofs of the houses
A man smokes in front of his house in Cao Loc, a border village known as a place where traditional construction techniques have been well preserved