浜辺
atlantic
atlantic ocean
basque
basque country
bay of biscay
bilbao
blue
cantabrian sea
cliff
coast
coastline
diagonally
erosion
europe
flysch
geological
geology
geopark
landscape
nature
ocean
park
rocky
rugged
skirt
sky
spain
steep coast
stone
texture
travel
vacation
water
zumaia flysch trail
zumia