Ключевые слова: activity, adventure, america, backpack, ca, california, ecosystem, environment, explore, forest, giant, green, high, hike, hiker, hiking, landscape, man, national, national park, nature, northern california, outdoors, park, recreation, red wood, redwood, sequoia, sierra, snow, tall, tall trees, track, trail, travel, tree, trunk, us, walker, wanderlust, west coast, wood,