Wat Si Muang is believed to house the central pillar to the town-The story of Wat Si Muang is that the King at the time asked that a hold be dug for the central pillar large enough for a person-horse to fit within. The King asked for anyone wanting to sacrifice themselves within the hole. a girl named Si who was 3 months pregnant apparently offered herself because the sacrifice and walked for a day from her village to reach the Wat. She arrived wearing beautiful black and red clothes and once their threw herself within the hole whereupon the horse was forced down on top of her and she or he was buried alive there. Wat Simuang was inbuilt 1563 in capital of Laos.