Ключевые слова: alaska, beaver, change, climate, cloud, cold, creek, dam, denali, excursion, glacier, green, hike, hikking, hill, hillside, melt, melting, moraine, mount, mountain, mountain range, mountaineering, nature, outdoors, river, rock, serac, slope, susitna, trail, trek, trekking, trunk, usa, valley, water,