Figure 12. Green wall systems (based on planter boxes and based on felt layers) without the exterior masonry

From

A Comparative Study on Green Wall Systems
This paper has been retracted at the request of the editor of the American Journal of Civil Engineering and Architecture.
The editor retracts this paper due to duplicate publication in http://www.sciencedirect.com/science/article/pii/S0378778811003987.

American Journal of Civil Engineering and Architecture. 2013, 1(6), 143-155 doi:10.12691/ajcea-1-6-4