path through the marshes in the biosphere reserve of urdaibai during a cloudy day in the basque country

autumn background basque bermeo biosphere biscay bizkaia blue color country countryside day euskadi euskal euskera everglades farm field forest gautegiz grass green hill land landscape maritime marsh mountain muddy mudflat mudflats oma pais path reserve river santimamine scenery sky spain spanish swamp trail tree urdaibai valley vasco vizcaya wetland