Green walls: Function or fad? As cities and buildings all around the world are being covered in green, we take a look at the phenomenon of green walls.
The first example of green walls may be found in the Hanging Gardens of Babylon, even if they may have been more roof gardens than green walls. Later, from Scandinavia to Japan, numerous civilizations used climbing plants to cover buildings, making what is now called ‘green façades’.
Visit the link for more details and photos.