Keywords
absence, accessibility, backgrounds, color, concepts & topics, corridor, differential focus, electric light, empty, exit sign, fluorescent light, hallway, ideas, indoors, light, linoleum, mystery, no people, ominous, pattern, photography, red, smoke detector, symmetry, unknown, vanishing point, vertical, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, 583002