Ключевые слова: adventure, altitude, anatomy, animal, background, bone, country, cranium, danger, dangerous, dead, death, earth, environment, extreme, grass, grave, grey, ground, group, head, high, hike, hikers, horse, land, landscape, mammal, mountains, object, old, paleontology, people, peru, risk, rural, sign, skeleton, skull, smile, stone, tooth, travel, trek, valley, warning, waste, white, wild,