Original: Converted Mines/Caves for WWII Industrial Bunkers Ebensee Hinterbrühl Lager Rebstock Mittelwerk Saint Leu d'Esserent Industrial Typical industrial bunkers include mining sites , food storage areas , dumps for materials , data storage , and sometimes living quarters .
Simplified: Industrial Industrial bunkers are built like regular bunkers and they can be mining sites , food storage areas , dumps for materials , data storage , and sometimes places that people live in .