Omani men at the University of Oman in Muscat, Oman

Aerial view, fisheye, Ruhr river, Warmen water works, waterworks Hamm, Waldemey, Froendenberg, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

Aerial view, fisheye, Ruhr river, Hohenheide, Froendenberg, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe