Ключевые слова: background, beauty, block, boulder, bubble, chunk, clean, cobble, cobblestone, cold, cross, current, curve, eco, ecology, ecotourism, explore, exploring, fast, flow, formation, geologic, geology, grey, hike, hiking, illustration, image, landscape, mountain, natural, nature, palette, pebble, photo, pure, raft, river, rock, rubble, steam, stone, stream, supply, trek, turn, water, wet, white, wild,