Peru: 3000-year-old circular stone wall found in Cusco
10:42. Cusco (Cusco region), Aug. 11.
Experts from the Decentralized Culture Directorate of Cusco (DDCC) have unearthed architectural ruins dating back over 3,000 years in Marcavalle archaeological area, located in South-Andean Cusco region.
The finds include a 7-meter-diameter circular wall made of stone and mud belonging to pre-Inca Marcavalle culture in what is today a youth rehabilitation center.
http://www.andina.com.pe/Ingles/noticia-peru-3000yearold-circular-stone-wall-found-in-cusco-678217.aspx