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“Just 3 years of research between 2009 and 2012 witnessed a profound change in archaeological understanding of the geoglyphs of the southwestern Amazon. Previously they'd been thought to be just 750 years old; now, without any real attention being drawn to the implications, they'd become 2,000 years old. To put this in context, an error and subsequent correction on a similar scale would certainly attract a great deal of attention if it concerned Western architecture--indeed it would be like discovering that the great Gothic cathedrals of Europe such as Chartres and York Minster were not, in fact, works of the late medieval period but had actually been built by the Romans.”
― Graham Hancock, America Before: The Key to Earth's Lost Civilization