published on: 2014-02-12 21:34:10
Cool concept
luckytytheguy.tumblr.com/post/76457954113/
luckytytheguy.tumblr.com/post/76873678407/
Dirty groundwater (iron and nitrates) for irrigation
luckytytheguy.tumblr.com/post/76874111327/
luckytytheguy.tumblr.com/post/76874219985/