Large crater and tracks shifted wholesale during bombing on Phu Lang Thuong railway bridge over the Thuong River at Bắc Giang City in French Indochina (Vietnam), during WWII. In northern Vietnam, and along a critical rail route used by the Japanese.
Coordinates: 21°16'32.69"N 106°11'9.28"E
The low level that these B-25 crews flew at times is truly remarkable, as evidenced in this image.