Traveling in Thailand: Thi Lo Su »

Thi Lo Su is a name of a waterfall located in the Umphang Wildlife Sanctuary, a UNESCO World Heritage site, in Tak Province. In Thai we call it “Namtok Thi Lo Su” (Numtok means waterfall). And you might wonder what make this place a World Heritage Site confirmed by UNESCO. Well that you have to find out.   Thi Lo Su is not a Thai name. But