closeup pattern of biebrza river bagno lawka wetlands in spring aside carska droga in podlsasie region of poland

air attraction bagna bagno bialy biebrza biebrzanski bio birding blue carska country countryside dike droga dyke eco education europe goniadz grad grass grobla landmark lawka masuria mazury meadow moor narodowy national nature open outdoor panorama panoramic park pattern podlaskie poland reserve river route sightseeing spring swamp tourism touristic travel trekking valley viewing village warmia water wetland wildlife