The piece of bark attached itself to the wall and, no matter how hard anyone pulled, it wouldn’t come off. The next day it doubled in size, and by week’s end its diameter had increased tenfold. Bright green leaves sprouted from the wooden growth.Nobody wanted a forest in the building, so they removed that piece of the wall and tossed it in the park. There, it blended perfectly, rapidly re-greening the barren landscape.They tried to get an environmental tax break for doing this, but their request was denied. Their wall repair was costly.