1.This is a building featuring a ‘living wall’ by the company ELT.
2. garden wall by Patrick Blanc at the Musee du Quai Branly
"[In vertical gardens,] plants are rooted in sheets of fibrous material anchored to a wall. Water trickles down between the sheets and feeds the moss, vines and other plants. Bacteria on the roots of the plants metabolize air impurities such as volatile organic compounds."- Wikipedia quote