Ключевые слова: architecture, background, bands, black, box, caution, city, close, commute, construction, copyspace, destination, direction, directions, edge, floor, gap, hazard, impaired, information, interior, line, moving, nobody, people, perspective, platform, railroad, road, security, signal, station, stop, subway, symbol, texture, tourism, track, traffic, train, transport, transportation, travel, underground, urban, visually, waiting, warning, white, yellow,