Ключевые слова: acoustics, america, american, amphitheater, amphitheatre, beautiful, bleacher, bleachers, co, colorado, dawn, denver, dusk, evening, hall, historic, landmark, landscape, location, morrison, mountain, music, natural, nature, night, outdoor, outdoors, outside, park, peak, place, red rocks, rock, scene, scenery, scenic, seating, seats, sky, skyline, stone, sunrise, sunset, tourism, travel, twilight, usa, venue, view, west,