Ключевые слова: american, ancient, ancient bristlecone pine forest, black, botany, branches, bristle cone, bristlecone pines, california, clouds, ecology, forest, gnarled, inyo, inyo national forest, methuselah, mountains, national, needles, old, pair, pine, rare, sky, southwest, survival, trees, two, united states, unusual, west, white, white mountains,