Ключевые слова: adventure, aerial, america, attraction, beautiful, blue, clear, clouds, color, delaware water gap, hiking, hill, lake, landscape, mountain, nature, panorama, park, peace, peak, pennsylvania, relaxation, rest, ridge, rock, rockies, rocks, rocky, scenic, sight, sightseeing, sky, spring, stone, summer, summit, tour, tourism, travel, tree, trees, trip, vacation, valley, view, viewpoint, water,