An additional article [0] showing some of the work [1] made me smile thinking about some future civilization finding these and trying to figure out why we built

An additional article [0] showing some of the work [1] made me smile thinking about some future civilization finding these and trying to figure out why we built them or what they were used for. [0] https://www.nytimes.com/2015/05/17/arts/design/michael-heizers-big-work-and-long-view.html?_r=0 https://www.nytimes.com/2015/05/17/arts/design/michael-heize... [1] https://en.wikipedia.org/wiki/Land_art https://en.wikipedia.org/wiki/Land_art