3 "Ficheiro:Ruhr_bei_Hattingen_-_panoramio.jpg".

Ficheiro:Ruhr bei Hattingen - panoramio.jpg

archive.org/web/20161020171945/http://www.panoramio.com/user/2105493?with_photo_id=62094518 operator: Panoramio described at URL: https://web.archive...

Ficheiro:Ruhr bei Bochum-Stiepel - panoramio.jpg

archive.org/web/20161021171602/http://www.panoramio.com/user/2105493?with_photo_id=62094358 operator: Panoramio described at URL: https://web.archive...

Ficheiro:Die Ruhrschleife bei Hattingen, Blick auf den Isenberg mit der Ruine Isenburg und Haus Custodis über dem Steinbruch - panoramio.jpg

archive.org/web/20161031025731/http://www.panoramio.com/user/5871592?with_photo_id=112505012 operator: Panoramio described at URL: https://web.archive...

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