This National Geographic wallpaper contains
sitka, sitchensis picea, sitka spruce, picea sitchensis, tunnel ferroviario, and traforo di ferrovia.
There might also be
faggio, americano betulla bianca, carta betulla, paperbark betulla, canoe betulla, betula cordifolia, betula papyrifera, betulla bianca americana, betulla paperbark, canoa betulla, and abete di douglas.
Billions of birds migrate annually across the Western Hemisphere… but if we don’t know where they go when they leave their breeding grounds, how can we protect them?