Ключевые слова: adventure, balkan, beautiful, beauty, blue, botany, bulgaria, climate, closeup, color, colorful, conservation, ecology, ecosystem, environment, flora, floral, flower, grass, green, high, hike, hiking, journey, landscape, moss, mountain, mountains, national park, natural, nature, organic, outdoor, park, plant, scenic, spring, stara planina, stone, summer, summit, tourism, travel, trekking, vegetation, view, wild, wild flowers, wildflower,