"City center, aerial view, Oberhausen, Ruhr district, North Rhine-Westphalia, Germany, Europe"

"Aerial view, fisheye shot of Cologne with the Rhine River, Cologne, Rhineland, North Rhine-Westphalia, Germany, Europe"

"Aerial view, town centre of Essen, from the east, Essen, Ruhr Area, North Rhine-Westphalia, Germany, Europe"

"Aerial view, fisheye shot of Cologne with the Rhine River, Cologne, Rhineland, North Rhine-Westphalia, Germany, Europe"

"Aerial view, city center with Vierscheibenhaus, administrative building of the West German Broadcasting, WDR, and Cologne Cathedral, Cologne, Rhineland, North Rhine-Westphalia, Germany, Europe"

"Aerial view, Protestant St. Paul's Church, morning light, Hamm, Ruhr area, North Rhine-Westphalia, Germany, Europe"

"Aerial view, Protestant St. Paul's Church, morning light, Hamm, Ruhr area, North Rhine-Westphalia, Germany, Europe"

"Aerial view, historic town centre with the Great St. Martin Church or Gross St. Martin and the Cologne City Hall, city centre, Cologne, Rhineland, North Rhine-Westphalia, Germany, Europe"

"ETEC, Essen Technology and Development Centre, and television tower through the clouds, aerial view, Essen, Ruhr area, North Rhine-Westphalia, Germany, Europe"

"Aerial view, loop of the Rhine with the historic centre, fisheye-view, Stadtbezirk 03, Dusseldorf, Rhineland, North Rhine-Westphalia, Germany, Europe"

"Aerial view, downtown with Oberlandesgericht Hamm Higher Regional Court, morning light, Hamm, Ruhr area, North Rhine-Westphalia, Germany, Europe"

"Aerial view, Dreischeibenhaus office building, Tausendfuessler, nickname for the elevated road, Jan-Wellem-Platz square, Ernst-Schneider-Platz square, Duesseldorf, Rhineland, North Rhine-Westphalia, Germany, Europe"

"Cargo ship, crane towers, office buildings, residential buildings, Rhine, Rheinauhafen, Cologne, Rhineland, North Rhine-Westphalia, Germany, Europe"

Aerial view, Illuminated shopping mall Thier-Galerie at dusk, Dortmund city centre, Ruhr area, North Rhine-Westphalia, Germany, Europe

View of city centre with river Ruhr, Mülheim an der Ruhr, Ruhr area, North Rhine-Westphalia, Germany, Europe

View of downtown Hamm through the low fog cover, Pauluskirche, new Lippe project Kanalkante, between Hamm-Lippewiesen airport and downtown Hamm, Datteln-Hamm Canal, Lippe, Hamm, Ruhr area, North Rhine-Westphalia, Germany, Europe

View of downtown Hamm through the low fog cover, Pauluskirche, new Lippe project Kanalkante, between Hamm-Lippewiesen airport and downtown Hamm, Datteln-Hamm Canal, Lippe, Hamm, Ruhr area, North Rhine-Westphalia, Germany, Europe

"Aerial view, Rheinauhafen area, an urban regeneration project, city centre, Cologne, Rhineland, North Rhine-Westphalia, Germany, Europe"