Ключевые слова: accessibility, barricade, clean, closed, closeup, color image, contemporary, contrasts, corridor, day, do not enter sign, door, entrance, fence, floor, forbidden, gate, group, many, modern, new, no enter sign, no thoroughfare, no trespassing, no trespassing sign, nobody, row, safety, security barrier, shiny, silver, single object, sparse, steel, turnstile,