A living wall, also referred to as a green wall, vertical garden, or sky farm, is usually part of a building and consists of some sort of vegetation. These types of gardens are sometimes referred to as urban gardening, because they are well-suited for an urban environment where space on the ground is very limited but vertical space is plentiful. These vertical gardens can be quite spectacular in appearance, and in some cases, they even work to filter clean air into the building in which they are growing upon...
