The Gate of the Sun at the site of Tiahuanaco, UNESCO World Heritage Site, Lake Titicaca, in Bolivia, South America

Women in traditional dress of the Aymara Indians at the re-election ceremony for President Evo Morales Ayma in Tiwanaku, La Paz, Bolivia, South America

Woman in traditional dress of the Aymara at the re-election ceremony for President Evo Morales Ayma in Tiwanaku, La Paz, Bolivia, South America

Crowd with Wiphala, rainbow-colored flag of the highland Indians, at the re-election ceremony for President Evo Morales Ayma in Tiwanaku, La Paz, Bolivia, South America

Semi-subterranean temple, Tiwanaku, Bolivia, South America

Sun Gate, ruins of Tiwanaku, also Tiahuanaco from the pre-Inca period, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Ruins of Pumapunku, pre-Inca ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Ponce Monolith, pre-Inca ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Ponce Monolith, pre-Inca ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Fraile monolith or monk monolith of the pre-Inca period in the ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Sun Gate, ruins of Tiwanaku, also Tiahuanaco from the pre-Inca period, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Ponce Monolith, pre-Inca ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Detail of pattern on the Ponce Monolith, pre-Inca ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, Department of La Paz, Bolivia, South America

Sunken courtyard with head reliefs overlooking Kalasasaya with Ponce monolith, Tiwanaku ruin complex, also Tiahuanaco, Unesco World Heritage Site, La Paz department, Bolivia, South America

Sunken courtyard with head reliefs and Kalasasaya with Ponce monolith, Tiwanaku ruin complex, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Ruins of Pumapunku, pre-Inca ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Head reliefs in the Sunken Courtyard, ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Entrance to Kalasasaya with Ponce Monolith, pre-Inca ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Head relief in the Sunken Courtyard, ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Head relief in the Sunken Courtyard, ruins of Tiwanaku, also Tiahuanaco, Unesco World Heritage Site, La Paz Department, Bolivia, South America

Night sky with illuminated clouds over the city of La Paz, Tiwanaku, Department of La Paz, Bolivia, South America