a warning sign indicating the tsunami evacuation route on praia da rocha, portimão, portugal.

tsunami warning sign evacuation route safety beach praia rocha portimapound portugal hazard alert guide travel direction protection security coastal emergency map signal evacuationroute sea ocean waves safetysign travelguide disaster prevention precaution signage info directionsign beachsafety travelwarning risk evacuationplan hazardsign coastalsafety publicsafety tourism navigation awareness guidance escape shelter