Ключевые слова: background, britain, british, car, city, cityscape, close, color, control, crossing, danger, detail, downtown, england, english, gay, gender, go, green, green light, lamp, lesbian, lgbt, light, london, pedestrian, road, safety, semaphore, sign, signal, stop, stoplight, street, symbol, trafalgar square, traffic, traffic light, transport, transportation, travel, uk, urban, warning, way,