Ruhrhalbinsel Überruhr, Ruhrbogen, Ruhr valley, Ruhr, Essen, Ruhr area, North Rhine-Westphalia, Germany, Europe

Ruhr Valley, river mouth Ruhr and Lenne in Hengsteysee, aerial photo, Hagen, Ruhr area, North Rhine-Westphalia, Germany, Europe

Ruhr Valley, river mouth Ruhr and Lenne in Hengsteysee, aerial photo, Hagen, Ruhr area, North Rhine-Westphalia, Germany, Europe

"Aerial view, Town Hall, urban development project Ruhrbania, evening light, Mulheim an der Ruhr, Ruhr district, North Rhine-Westphalia, Germany, Europe"

Rainwater retention basin, river Emscher in the Mengede district, water management, Castrop-Rauxel, Ruhr district, North Rhine-Westphalia, Germany, Europe

River Ruhr with the artwork lighthouse at the Ruhrtalradweg, Kunstpfad Ruhr, Essen, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Lippe Mäander on the city border between Werne and Bergkamen, Lippe Altarm, river Lippe, nature reserve, Lippeauen, Lünen, Ruhr Area, North Rhine-Westphalia, Germany, Europe

Aerial view, brown flood of the Rhine mixes with the clean water of the Ruhr, Ruhr estuary, Duisburg, Ruhr district, North Rhine-Westphalia, Germany, Europe

Aerial view, Cargo ships on the Rhine, brown flood mixes with the clean water of the Ruhr, Ruhr estuary, Duisburg, Ruhr district, North Rhine-Westphalia, Germany, Europe

Aerial view, Cargo ship on the Rhine, brown flood mixes with the clean water of the Ruhr, Ruhr estuary, Duisburg, Ruhr district, North Rhine-Westphalia, Germany, Europe

Aerial view, Cargo ships on the Rhine, brown flood mixes with the clean water of the Ruhr, Ruhr estuary, Duisburg, Ruhr district, North Rhine-Westphalia, Germany, Europe

Aerial view, Cargo ships on the Rhine, brown flood mixes with the clean water of the Ruhr, Ruhr estuary, Duisburg, Ruhr district, North Rhine-Westphalia, Germany, Europe

Ruhr valley, course of the river with Water Crowfoot (Ranunculus aquatilis), North Rhine-Westphalia, Germany, Europe