Ключевые слова: alert, area, barbed, barbedwire, blue, border, caution, cautionary, controlled, cyclone, cyclonefence, dangerous, do, enter, entry, fence, gate, gated, hazardous, infringe, intrude, keep, limit, no, not, notice, out, perilous, perimeter, razor, razorwire, restricted, risky, secure, security, sign, sky, threatening, treacherous, trespass, trespassing, unsafe, warn, warning, wire,