Ключевые слова: adventure, america, american, ancient, bark, big, california, conifer, day, eco, ecology, forest, giant, gigantic, green, ground, grove, high, hike, hiking, huge, landscape, national, natural, nature, old, outdoor, park, pine, plant, redwood, sequoia, states, tall, tourism, trail, travel, tree, trekking, trip, trunk, twins, two, united, up, us, usa, wild, wilderness, wood,