马奇诺防线
Esch was built in 1931 by the "Commission d'Organisation des Régions Fortifiées (CORF)", which was responsible for the major fortifications of the Maginot Line. Esch was one of the first of a series of casemates extending east from the last major position in the Maginot Line, Ouvrage Schoenenbourg. Cost was about 1.06 million francs of the time.