rotten tree trunk with woodpeckers hollows in early spring season in central poland mazovian plateaus near warsaw

poland kampinoski national park kampinos kpn masovia mazovia masovian mazovian warsaw truskaw landscape scenery scenic color colorful travel tourism outdoor hiking nature green greenery foliage natural conservation environment wood wooded tree trees forest branches leaves trunk thicket water ice iced freeze frozen snow snowy winter spring early sunny grass grassy wetland wetlands moor swamp marsh pond lake blue narodowy przedwiosnie wiosna zima snieg lod moss mossy bark stump knot hollow rot