Hacker News: obvioustouristhttps://news.ycombinator.com/user?id=obvioustouristHacker News RSShttps://hnrss.org/hnrss v2.1.1Sat, 13 Jun 2026 15:10:18 +0000<![CDATA[New comment by obvioustourist in "U.S. Army Corps of Engineers Bay Model"]]>See also the Mississippi River Basin model built by German engineer POWs during WWII: https://en.wikipedia.org/wiki/Mississippi_River_Basin_Model

]]>Thu, 04 Jun 2026 13:04:55 +0000https://news.ycombinator.com/item?id=48398099obvioustouristhttps://news.ycombinator.com/item?id=48398099https://news.ycombinator.com/item?id=48398099