Walks along the edge of seaside cliffs can be treacherous -- even deadly. Although it should be obvious to tourists that if they get too close to the edge, they risk a calamitous fall. The signs posted show the danger to anyone who reads any language.
The warning signs at the Cliffs of Kilkee in County Clare, Ireland, take two signs to get the same point across.
This sign is posted in numerous spots along the Newport, Rhode Island Cliff Walk.