Ключевые слова: adventure, balkan mountains, balkans, beauty in nature, clear sky, cloud sky, color image, colorado, coniferous tree, croatia, crosscountry running, dalmatia region croatia, day, environment, explorer, freedom, green color, harmony, hiking, horizontal, idyllic, jogging, landscape, leaf, lifestyles, mountain, mountain range, national park, nature, nature reserve, no people, outdoors, rocky mountain national park, running, sports track, summer, tranquil scene, travel, travel destinations, walking, yellow,