Ключевые слова: advertise, advertisement, asphalt, banner, billboard, blank, blank billboard, blue, business travel, car, china, commercial sign, direction, directional sign, driveway, hangzhou, highway, journey, landscape, lane, marketing, multiple lane highway, nobody, outdoors, placard, promotion, road, road sign, roadside, rural scene, selling, sign, street, thoroughfare, traffic, transportation, travel, white, white billboard,