Pine tree growth rings. Close-up of a polished section through the trunk of a pine (Pinus sp.) tree,showing the growth rings | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 3449 px × 5173 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |