L'usine d'enrichissement d'oxygène dans la Ruhr Photo Stock - Alamy

Ruhr bridge essen werden hi-res stock photography and images - Alamy

In the ruhr Black and White Stock Photos & Images - Alamy

In the ruhr Black and White Stock Photos & Images - Alamy

Historical ruhr industrial industry hi-res stock photography and images - Alamy

Oer-Erkenschwick, Horneburg, Datteln, Ruhr area, North Rhine-Westphalia, Germany, Europe, Aerial View Stock Photo - Alamy

Rhine ruhr satellite view hi-res stock photography and images - Alamy

Ruhr river hi-res stock photography and images - Alamy

Eon ruhrgas hi-res stock photography and images - Alamy

Ruhr river hi-res stock photography and images - Alamy

Ruhr industrial region hi-res stock photography and images - Alamy

Historical ruhr industrial industry hi-res stock photography and images - Alamy

Ruhr bridge essen werden hi-res stock photography and images - Alamy

Ruhrchemie hi-res stock photography and images - Alamy

Ruhr industrial region hi-res stock photography and images - Alamy