Organic Building Osaka - Space is limited in Japan so there is not much extra room for garden space. One solution to this is the concept of a vertical garden, sometimes known of as green walls or living walls, The Organic Building in Osaka is a vertical garden borrowing motifs from natural bamboo. Bamboo was chosen because of its inherent undulating qualitiy and verticality, and strength. The exterior is covered with red panels with fiberglass planters protruding from the building containing more than eighty types of plants. The plants are watered by built in pipes that are computer controlled.