From Smithsonian Magazine by Erin Blakemore:
“Turns out Peru’s Wari people were excellent urban planners…and their 1,500-year-old ‘amunas’ could soon bring water to Lima.”
http://www.smithsonianmag.com/smart-news/ancient-tech-could-help-solve-limas-water-crisis-180954936/
Art, animals, and the earth 