Birch trees (Betula aetnensis) sprouting, Etna, Sicily, Italy, Mediterranean, Europe

birch trees mount etna sicily italy spring nature biodiversity vegetation mediterranean european landscape volcanic soil natural habitat flora environmental beauty landscape outdoors growth recovery ecology green canopies sunlight blue skies plant life resilient trees mountainous region unique ecosystems nature conservation tree species climbing hiking trekking natural beauty scenery organic seasonal growth native species ecological restoration botanical leaves branches natural resources cultural heritage tree canopy soil composition sustainable nature