Ключевые слова: 2016, adventure, ancient, beauty in nature, boulder rock, canyon, cave, clear sky, cliff, cloud sky, contrasts, dark, environment, eroded, exploration, extreme sports, extreme terrain, geology, history, hole, hollow, landscape scenery, large, light at the end of the tunnel, majestic, mountain, mystery, nature, nonurban scene, orange color, outdoor pursuit, outdoors, physical geography, protection, red, rock object, rock formation, ruin, sandstone, sky, spain, speleology, sunlight, tranquility, travel, travel destination, tunnel, underground,