If anyone else wonders what those green circles are (when you zoom out just a bit more: https://www.reddit.com/r/whatisthisthing/comments/453pj2/what_are_all_th

If anyone else wonders what those green circles are (when you zoom out just a bit more: https://www.reddit.com/r/whatisthisthing/comments/453pj2/what_are_all_these_circles_in_egypt_on_google_maps/ https://www.reddit.com/r/whatisthisthing/comments/453pj2/wha... (https://en.wikipedia.org/wiki/Center_pivot_irrigation https://en.wikipedia.org/wiki/Center_pivot_irrigation)