Ключевые слова: america, appalachian, blue, bright, clear, cliff, climbing, clouds, cloudscape, color, foliage, gap, geology, green, high, hiking, hill, horizon, jersey, land, maple, mount, mountains, mt, national, nature, new, oak, peace, peak, pennsylvania, pine, relaxation, rest, ridge, rocks, scenic, serene, sight, sky, summit, sunlight, sunny, tour, trail, trip, usa, viewpoint, water, woods,