a serene boardwalk winds through vibrant, flower-laden hills under a vast blue sky

green hills guarda hiking path nature trail wooden boardwalk bright sunlight clear sky countryside charm ecotourism spot environmental beauty hillside flora leisure walk lush vegetation natural landscape outdoor walkway panoramic view peaceful atmosphere portugal railing fence recreational area rural setting scenic route serene environment shadow patterns springtime bloom sunny day tourism attraction tranquil scenery travel destination undulating terrain vibrant colors winding pathway yellow flowers winds flowerladen vast blue