Ключевые слова: architecture, background, blue, board, building, california, city, collection, danger, direction, downtown, drive, editorial, exterior, frame, health, highway, information, japanese, light, logo, message, nature, object, office, outdoor, outdoors, post, red, road, safety, sidewalk, sign, sky, stop, street, symbol, tourism, traffic, transportation, travel, urban, usa, warning, way,