This ruin is in the Sukhotai Historical Park. And this ruin is the oldest Khmer ruin in Sukhothai. The view from southeast. This building seems to be bigger than other Khmer ruins in Thailand From east. From northeast. From north. From west. Stairs are not, but an entrance is in the west. From south. The false doors are on south and north faces. Inside of the building from east. The roof structure. Inside of the tower.