See the similariteis between us human beings and all of the nature that surrounds us.
Just look at this amazing leaf as an example.
If anyone can not see a lung in this then you guys need my eyes! (or at least my imagination...) 馃榾馃榾馃榾
And this natural leaf lung, is the LUNGS of the Earth, and we need them just as much as we need our lungs to breathe the fresh air that these lungs create for us, so why do we insist on destroying it?
Oh yeah that's right-greed...馃槪