The Tiwanaku civilisation, which precedes the Inca civilisation and has a lifespan of 25 centuries, is known as the 'mother culture' of South America. The civilisation mysteriously vanished ...
The "Gate of the Sun" at the ancient city of Tiwanaku, in present-day Bolivia Photo by Mhwater, via Wikimedia Commons Although the source volcano has not yet been identified, the eruption’s ...