drone view over forest and trees and an industrial area during the sunset in the ruhr area in germany

gelsenkirchen ruhrgebiet bergbau cole mining drone aerial view forest trees sun sunset sunshine horizon industry industrial atmosphere summer sunbeams beam rays ruhrpott landscape nature germany europe essen bochum dusseldorf cologne halde chimney city colorful duisburg energy factory furnace german iron pollution polluted ruhr skyline steel sunrise silhouette coal panorama scenery