looking down on rhine river and konigswinter from castle ruins

konigswinter germany april 2021: castle ruins rhine river spring day coast tree sea landscape mountain hill reflection water horizon lake nature shore reservoir skyline bay flower cruising architecture blue boat building city cloud culture destination deutsch deutschland drachenburg drachenfels dragon europe european forest fortress german historic history landmark old palace rhine-westphalia road scenery schloss seven hills siebengebirge sightseeing sky tourism tower travel uplands valley villa looking