Frankfurt, 1945.
https://commons.wikimedia.org/wiki/File:Frankfurt_am_Main_1945.jpg
Description: Ruins of Frankfurt am Main after WW II, aerial photograph of USAF
Source: Stadtarchiv Frankfurt am Main, in Wolfram Gorr: Frankfurter Brücken. Frankfurt am Main 1982. S. 19.
Author: USAF
Date: 1945
Permission: PD-USGov-Military-Air Force

https://upload.wikimedia.org/wikipedia/commons/9/93/Frankfurt_am_Main_1945.jpg