sessile or durmast oak (quercus petraea, quercus sessilis), unripe acorn on tree, neunkirchen, siegerland, north rhine-westphalia, germany - 無柄的 個照片及圖片檔
sessile or durmast oak (quercus petraea, quercus sessilis), unripe acorn on tree, neunkirchen, siegerland, north rhine-westphalia, germany - 無柄的 個照片及圖片檔