BBC News: The Lost Civilisation of Peru. The rise and fall of the 'Greeks of the Andes'. Programme transcriptCitat: "...If the weather on the coast was the opposite, then it suggested a 30-year El Nino – what climatologists call a mega El Nino – starting at around 560 AD, which was followed by a mega drought lasting another 30 years..Steve Bourget found evidence of enormous rain damage at a Moche site called Huancaco which he could date...They found huge sand dunes which appeared to have drifted in and engulfed a number of Moche settlements around 600 to 650 AD. The story all fitted together..."
