KEYWORDS:
map, railroad, track, rail, railway, transport, subway, underground, station, computer, network, connection, train, cartography, metro, line, platform, diagram, plan, bus, background, city, planning, growth, grow, node, circle, travel, rush hour, journey, city, generic, public, multi-colored, multi-coloured, multicoloured, multicolored, ellipse, video, urban, town planning, zoom, tube, abstract, colorful, colourful, route