The grassy mounds that dot Detroit might be scrap heaps, or dumping grounds, or piles of ash and brick. But they are also unintentional artifacts in a tradition of monumentality and commemoration.
America s first civilization was made up of sophisticated engineers -- Secret History -- Sott net sott.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sott.net Daily Mail and Mail on Sunday newspapers.
New evidence discovered at Poverty Point in northern Louisiana by anthropologists at Washington University in St. Louis challenges previous beliefs about how pre-modern hunter-gatherers behaved.