bolshoye khmelevskoye mountain lake surrounded with autumn caucasus mountain forest at sunset. beautiful scenic blue sky landscape

attraction autumn blue boggy caucasus cavity clouds destination fall forest grass karst khmelevskiye lake landmark landscape marsh marshland mountain national nature october orange outdoor park path pond railing red reserve russia scenery scenic serene sky sochi stairway sunlight sunny sunset swamp swampy tourist tranquil tree vanish wilderness wood wooden yellow