Phra Kaew Pavilion is an octagonally-shaped structure constructed by Muang Boran. The style of the build ing taken from the carvings of an octagonally-shaped pavilion found on a wooden door panel of a scripture cabinet of the Ayutthaya period, now is exhibit in the National Museum, Bangkok. The extraordinary style of the pavilion resembles high structure drawn in some chronicles written by foreigners who came to Ayutthaya at that time.