In Le Thuy, in
Central
Vietnam, Highway A1 runs straight through coastal
dunes. These dunes are made up of hills of loose sand that are
formed by the wind.
Similar to deserts, the mounds and dune ridges are prone to endless changes in shape caused by the wind and rain.
Le Thuy Sand Dunes
Le Thuy Sand Dunes
This interaction with the
elements may cause them to glide with the flow, a
phenomenon known as dune drift.