Légende
Visitor group at the entrance to the Nachtigallstollen, tour guide, GeoRoute Ruhr, Dünkelberg quarry, in the Muttental valley, here you can see the geology of the region, a thin coal seam is visible, underneath were thicker layers of coal that were mined, Witten, North Rhine-Westphalia, Germany, Europe
Crédit
Photo12/imageBROKER/Jochen Tack
Notre référence
BRK24E72_039
Model release
Non
Property release
Non
Licence
Droits gérés
Format disponible
105,4Mo (4,1Mo) / 62,9cm x 42,0cm / 7430 x 4956 (300dpi)