The Ancients is a pictureglyph attributed to the Tiwanaku culture (100-1100 AD, known as Lord of the Sceptres.
Its stone walls are 1,200 metres long (total size 90 x 90 m), and are made of volcanic rock and clay. A mixture of clay & guano binds the rocks.
It’s located on the Plain of Patience at an altitude of 2,469 metres above sea level, 13 kilometres from the town of San Pedro.
22° 54’ 05.35” S
68° 17’ 42.39” W