The Directorate for Roads of Vietnam ordered the installation of a rubber tyre wall to ensure safety along an “accident prone” mountain pass. The walls, made up of sand-filled old rubber tyres piled into iron pillars, are installed along the…
The Directorate for Roads of Vietnam ordered the installation of a rubber tyre wall to ensure safety along an “accident prone” mountain pass. The walls, made up of sand-filled old rubber tyres piled into iron pillars, are installed along the…