At the risk of invoking Godwin's Law, this reminds me of a 3-mile building that was built on the German island of Rügen 1936-1939 https://en.wikipedia.org/wiki

At the risk of invoking Godwin's Law, this reminds me of a 3-mile building that was built on the German island of Rügen 1936-1939 https://en.wikipedia.org/wiki/Prora https://en.wikipedia.org/wiki/Prora