the view from the petersberg to the drachenfels in königswinter

asia beautiful blue bonn castle drachenfels drachnfels europe forest germany green holiday koenigswinter konigswinter königswinter lake landscape magical mountain natural nature nature park outdoor panorama petersberg petersberg rhein rhein river rhine rhine land valley scenery scenic schloss drachenburg seven hills mountains siebengebirge sightseeing sky summer sunny tourism travel tree vacation view water