6000 holes “Band of Holes” Pisco Nazca Peru possibly Inca tax system for food which they used as currency http://arstechnica.co.uk/science/2016/04/investigation-of-mysterious-inca-holes-gives-insight-into-ancient-economy/ btcartgallery2016-04-04T18:16:49+00:00April 4th, 2016|Fiat|
