Tiwanaku cave paintings destroyed with grafitti
Rock paintings of Tiwanaku culture in the caves of Anzota, Arica, South Chile, have been ruined by graffiti and experts say that the 1400-year-old art cannot be restored.
Polish-Italian team of scientists working across Peru and Bolivia
Archaeologists from Poland and Italy are working together on numerous sites scattered across South America, in order to preserve and restore them and also to unravel their ancient mysteries. These sites include the geoglyphs at Nazca Desert, Inca sites in the Machu Picchu area in Peru, and the sites of Tiwanaku and Samaipata in Bolivia.