This national geographic wallpaper contains
sitka cemara, picea sitchensis, sitka spruce, kereta api terowongan, and terowongan kereta api.
There might also be
beech, pohon beech, pohon beech yang berusia, birch amerika putih, kertas birch, paperbark birch, kano birch, betula cordifolia, betula papyrifera, amerika putih birch, douglas cemara, and douglas fir.