ancient walls at the pikillacta archaeological site, cusco, peru

adobe america ancient andean andes archaeological archaeology architecture attraction ayacucho blue building buildings city civilisation civilization cloud construction culture cusco cuzco engineering excavation historic history huacapay inca inka laguna landmark landscape mountains mud nyan old path peru peruvian pikillacta piqillacta qapac remains rock ruin ruins site sky south stone tourism trail travel wall walls wari