shoal of fishes swimming in turquoise coloured lake under waterfalls in plitvice lakes

cascade clean cliff coloured croatia environment europe fishes flowing forest fresh green heritage hike idyllic jezera lake lakes landscape lush mountain national nature outdoor panorama park plant plitvice plitvicka pond river scenery scenic shoal sky spring stream summer sunlight swimming terraced tourism transparent travel tree turquoise underwater unesco vacation water waterfall waterfalls wetland woodland world