Peru has a whole range of building construction styles, from the ancient to the modern. The ruins had three main types:
1. The finely made stone buildings which had the entire walls made of stone, and covered with wooden and thatch roofs (common at Machu Picchu and other ceremonial sites) with varying degrees of quality stonework. These often included stone pegs extending from the walls and carved stone rings to tie down and support the roofing rafters.