May 30, 2016 04:45 am PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/Y2bg5kcLxtY/i-found-the-square-root.html
I found the square root
The planter of this fir tree used railroad ties to create a deeply-embedded square border around it. As it grew, the roots took their shape, to be revealed after removing the now-rotten wood many years later.
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/Y2bg5kcLxtY/i-found-the-square-root.html
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