stone walls uncovered by archaeologists at the puma punku, a unesco world heritage site. tiwanaku, bolivia

world rock site inca statue history heritage stone tiahuancu department tiawanaku preinca culture tiwanaku civilization bolivian bolivia architecture tourism andes andean ancient travel unesco construction outdoors landscape door excavation archaeological tiahuanacu symbol stonework slab sculpture archaeology block carving chaskana altiplano complex design granite megalith puma