spectacular coastal landscape with steep cliffs and rock formations carved out by the wave action of the cantabrian sea

sea stack urros canto del diablo puerta urro manzano liencres costa quebrada rock formations arch bridge gate landform ocean landscape rocky coastline scenic scenery seascape natural cliff monolith baselga pielagos bay biscay cantabrian coast atlantic cantabria santander spain europe coastal erosion wave action carved abrasion platform wavecut geological marlstone limestone nature outdoors travel opening spectacular steep cliffs sea