Lao people when in traffic not using the steam whistle because they are obeying traffic rules and they see the steam whistle is superfluous, unnecessary detail. Thai people ride on the left hand side, in contrast to the Vietnam.
đang được dịch, vui lòng đợi..
![](//viimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)