natural landscape of cork oaks with cork in the region of tras-os-montes, alijo, portugal. protected tree

natural landscape cork oaks region tras-os-montes alijo portugal protected tree oak quercus harvest peel portuguese farming nature countryside autumn sustainability commodity industry hike tourist attraction postage forest rind corks pring vacation log ecology conservation meadow preservation trunk texture woods plant trees outdoors brown old environment outdoor growth green moss branches tree nature industry forest log meadow plant outdoors brown old tree trunk environment growth cork tree harvesting peel part agriculture rural scene sustainable resources merchandise travel destinations hiking postage stamp cork material cork stopper environmental conservation ecosystem wildlife reserve protection textured woodland backgrounds treelined landscape scenery scenics nature beauty nature portugal oak tree tras-os-montes autumn oak quercus portuguese alijo rind pring outdoor