sea stacks carved out by wave action in the cantabrian coast with rough weather

sea stack islet urros liencres costa quebrada rock formations ocean landscape rocky coastline scenic scenery seascape buho cliff vertical steep ledge monolith baselga pielagos bay biscay cantabrian coast atlantic cantabria santander spain europe coastal erosion wave action carved abrasion platform wavecut outcrop geological syncline marlstone limestone lithology nature natural outdoors travel tide rough weather stacks urro coast