Sao Din Na Noi (Chom Hom) and the Tigers pen
.Sao Din Na Noi (Chom Hom) and the tiger enclosure at Chiang Khong district. Away from the city for 60 kilometers from Amphoe Na Noi intersection along Route 1083, about 6 miles to the soil column that looks strange like "goat" ghost town.Geological evidence Sao Din Na Noi were caused by the movement of the crust in the tert evening ends (late tertian) attributed to erosion by wind and water naturally. Geologists assumed that about 30,.000 to 10,000 years ago, had been the bottom of the sea before. The evidence is the discovery of an ancient stone bracelet and ax here. (Now preserved at the National Museum Nan) suggests that this area may have been the habitat of Neanderthal old.