A long, narrow strip of pale sand, Bai Truon beach stretches over 30km from An Thoi to Duong Dong. It is one of the few places in Vietnam where you can enjoy a sunset over the sea. However, the idyllic beach of fine sand bordered by coconut trees is now a thing of the past, as the advance of tourism marches on relentlessly. Still, this is quickly forgotten once you lay out your towel at the edge of the waves.