Reichel Building, Rheinberg, 2012
(Source: Jörg Horner, Germany)
Outside shots
 
This should the unpaved parking lot on the east side of Bldg 5C. Buildings that were original located on this lot (1, 2, 3 etc) were torn down soon after the US Army returned the Reichel Complex to the Germans.
 
Could this be Bldg 21 in the background?