cliffs of hell, principality of asturias, spain

trekker feet cliffs hell ribadesella eastern asturias spain acantilados del infiernu infierno travel nature trekking natural people visitor one man legs shoes waterproof adventure technical clothing red trousers scenic pov viewpoint maritime atlantic ocean verdant vegetation sightseeing turquoise horizon endless plains landscape groundcreeping plants cantabrian sea cliffand unique blue sky europe monument summer season hiking routes tourism attractions foot route rock seagulls birds coastline principality resting edge