Up on the Roof
The fact that the vast majority of our landscapes exist on the ground floor has posed a challenge as city dwelling has become more popular:  Relatively few urbanites are lucky enough to have ground-floor garden spaces to work with, but that in no way diminishes their desire to include garden spaces as components of their upper-floor environments. Even without land for plants, people still want to come home to attractive gardens at day's end.  Although the first roof gardens date back to the Hanging Gardens of Babylon, city dwellers with only rooftop and balcony spaces at their disposal have been forced to get innovative, developing creative and sometimes highly unusual solutions. Hence the emergence of "roof gardens," which often combine spectacular distant views and dramatic cityscapes with creative hardscape and planting treatments - works of art that expand livable space as well as the