architecture Beachy Head blue chalk cliff danger England english Great Britain light lighthouse phare red sea Sussex tower warning white advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black care careful caution communicating communication concern crossing dangerous double-lines information informing island lookout observant pedestrians reflective refuge risk risks risky road road-sign safety security share sharing sign signs small-traffic-island traffic traffic-flow traffic-island walk walkers walking warning-sign watch watch-out yellow access-denied access-limited ban banned bylaws denied directions law legal motorbikes-prohibited no-wheels not-allowed not-permitted pedestrian-care pedestrian-safety permission-denied prohibited prohibition prohibitions restricted restriction restrictions rules symbol Alley apartment dark decay desuetude dordogne flat France french grunge home house lamp narrow old town urban abseiling cliffs climbing coasteering Cornish cornwall fun leisure outdoors pleasure rocks sport swimming water concept cop cops crisis defend defense fbi firefight flank hostage military police rescue shoot shootout swat terrorism terrorist training avenue brasil brasilia brazil city cone construction man metropolis orange orientation signal street transit way work bicycles-prohibited cars cautious conditions large-vehicles look-out road-conditions road-train rural-area semi-trailers signage slow-down speed speed-reduction text trailers transport transportation trucking trucks vehicles words