Geoglyphs in Brazil

http://www.nytimes.com/2012/01/15/world/americas/land-carvings-attest-to-amazons-lost-world.html?_r=0
http://www.jqjacobs.net/archaeology/geoglyph.html
http://www.bbc.com/news/science-environment-31467619
http://www.huffingtonpost.com/2012/01/17/scientists-discover-geoglyphs-in-amazon_n_1211950.html

Related
http://stanislauscollege.blogspot.ca/2012/05/1491.html

Of Interest
http://www.globalpost.com/article/6685612/2015/11/11/peru-amazon-park-road
http://www.reuters.com/article/2015/09/15/us-climatechange-amazon-norway-idUSKCN0RF1P520150915#w5dFe74ziiT6gdyv.97
http://www.theatlantic.com/magazine/archive/2002/03/1491/302445/