trompe l'oeuil illusion paintings on the facades of the former bishops summer residence in füssen

building tower town church landmark chapel steeple facade monastery architecture spire tourism residence religion gothic style monument decorative painting decor structure hohes schloss courtyard tax center art gallery museum illusion trick eye trompe l'oeil painted late period secular heritage exterior alps fussen traditional square ancient sightseeing german european outdoor bavaria germany medieval city history old travel historical historic europe castle l'oeuil paintings facades former bishops füssen