view of beautiful black lake (crno jezero) in national park durmitor, zabljak, montenegro with turquoise water and trees

black lake durmitor national park afrac12 abljak mountain water sky nature tourist travel summer forest autumn blue environment freedom sunlight season tourism meadow journey bright idyllic color lakeshore scenics turquoise colored tree treelined observation point natural parkland landscape scenery destinations vacations arrival public backgrounds woodland springtime environmental conservation holiday event beauty ecosystem sun plant outdoors nonurban scene tranquility ethereal view beautiful crno jezero zabljak montenegro trees scenic