text: The historical landmark and the part of Koblenz Fortress. 
  Original german name: Exerzierhalle der Erbgroßherzog Friedrich Kaserne. 
  The english name: Exercise Hall of Grand Duke Friedrich Barracks. 
  Source: https://www.geonames.org/12123084/exercise-hall-of-grand-duke-friedrich-barracks.html 
  https://de.wikipedia.org/wiki/Erbgro%C3%9Fherzog-Friedrich-Kaserne_(Koblenz)