rocks resambling stegosaurus upright plates at the flysch of itzurun

flysch ibilbidearen hasiera basque country beach nature cantabrico cliff coastal coastline fissile rock formation geologic geological geology gipuzkoa guipuzcoa province hondartza itzurun laminated structure landscape scenery mudstone outdoor overcast plates rocky sandstones scenic seascape sedimentary shales sharp teeth shore shoreline spain spanish stegosaurus stone material summer textured tourist attraction travel destination upward water zumaia zumaya rocks upright detail teeth sequence interbedded