Ключевые слова: background, barbed, barrier, bay, beach, blue, border, boundary, caution, coast, coastline, concrete, danger, dangerous, day, fence, forbidden, hazard, lake, metal, military, no swimming, no swimming sign, ocean, outdoor, park, post, prohibited, prohibited sign, protection, red, river, safety, sea, security, sign, sky, steel, stop, summer, sunny, swim, symbol, tourism, unsafe, unsafe for swimming, wall, warning, water, wire,