Frescos adorned the plaster walls and floor. Also his famous undulating walls and ceilings made of red pine. The buildings had metal lettering attached to pale walls. The roofs were probably of thatch with eaves which overhung the permeable walls. They consisted of rectangular locks with wooden stilts as foundations for the side walls. Historically, windows are designed with surfaces parallel to vertical building walls. The walled enclosure covers aboput with colonnaded verandahs lining the compound walls. IRS involves the treatment of interior walls and ceilings with insecticides. There were slogans painted on the walls. It has large areas surrounded by walls and moats. There are 12 gates in the outer walls. Scattered throughout the castle are entrances to courses via secret walls and paintings. There are sloping passageways leading to the four walls. There was considerable destruction to areas outside the city walls. A hall lined with sculptures of gaping skulls along the walls.