Prasat Si Khoraphum. ปราสาทศีขรภูมิ. This Khmer-era prasat consists of five prang on a laterite base, all facing east. The main and largest prang is in the centre, with the four, smaller prang at each corner. All are built from sandstone and laterite. The lintel depicting Dances of Shiva is considered the most beautiful one among those found in Thailand and Cambodia. Three sides of the prasat are surrounded by a moat.