Ключевые слова: access, attention, background, caution, chain, color, confined, danger, defended, design, do, enter, entry, equipment, europe, forbid, forbidden, france, french, green, icon, illustration, isolated, landscape, metal, nature, no, old, only, outdoor, park, red, restriction, retro, round, rusty, safety, sign, space, stairs, steel, stop, symbol, to, transportation, travel, vintage, warning, white, written,