bory tucholskie coniferous forest landscape with dry sand desert dune with scarce undergrowth in pomerania region of poland

activity bio bor bory bush charzykowy chojnice coniferous conservation desert diversity dry empty europe flora foliage forest frail greenery ground iglasty landmark landscape litter moss national natural nature outdoor park poland polska pomerania pomorskie pomorze reserve rezerwat sand spindly swornegacie thicket tourism touristic travel tree trunk tucholskie undergrowth vegetation wood wooded wydma