backdrop background beautiful beauty bells blubells blue bluebell bluebells bluish colorful colors countryside environment environmental flower flowers forest grass green greenery landscape leaf leaves light natural nature old outdoors peaceful picturesque plant pretty quiet rural scenery scenic season seasons solitude spring springtime summer tranquil tree trees wild wildflowers woodlands woods adriatic ancient architecture attraction balkan bay boat boka building citadel city coast coastline europe european famous fjord fort gulf harbor home house kotor kotorska marine medieval mediterranean Montenegro mountain outdoor port rock roof sea ship shore tourist tower town travel trip unesco vacation view village water yacht