Photo and caption by Johannes Bojesen | The sheep had drowned while trying to cross a small canal in the meadow-swamp 'Tøndermasken' in southern Jylland in Denmark. Birds had eaten every part abowe the surface and everything under was left totally untouched. http://ngm.nationalgeographic.com/ngm/photo-contest/2012/entries/174196/view/
As solid and unshakable as we think our civilization is, its grip on nature is tenuous at best. If any cracks appear in the faces of our buildings or our machines, nature is quick to move in and take over. With this in mind, here are 21 photos of places and things that nature is in the process of reclaiming.