tree trunk with growths of fungi along its bark in the siebengebirge forest

europe germany park tree trunk growths fungi bark siebengebirge forest highlighting natural biodiversity area background bark big branch brown cologne detail dry environment environmental diversity europe fantasy biodiversity ecosystem fungi growth german forests germany green jungle klosterruine heisterbach leaf light log lumber magical material natural beauty nature exploration reserve walk old outdoor adventure nature park pattern plant rough forest summer surface swarm bees texture tree trunk woodland