Keywords
billowing, black, business, close up, close-up, closeup, color, color image, colour, commerce, contaminating, contamination, day, daylight, daytime, energy, environment, facility, factory, freight train, global warming, industrial plant, industrialization, industry, journey, locomotive, manufacturing plant, mass transit, mass transportation, nobody, nostalgia, outdoor, outdoors, outside, past, photography, plant, polluting, pollution, power, public transit, public transportation, rail, railroad, railway, smog, smoke, smoke stack, smoking, soiling, square, square image, steam, tainting, track, trade, train, train track, transit, transport, transportation, transporting, travel, traveling, travelling, trip, vehicle, 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, bld138263