Backyard or Top-yard?

Rooftop gardens are becoming more prevalent in intercity dwellings, as people need a connection with nature  no matter where or how they live. Sometimes a window view of a park isn't enough, so check out these great ideas to green-up your rooftop. Whether it be an apartment or a residential house in the 'burbs, anyone can start!

 It can be an extravagant inner city oasis.... (original site)

...or just a pumpkin patch on the colorbond. (original site)

Aesthetically magnificent overgrown forest (original site)

Minimal manicured rooftop lawn (original site)

Babylon-esque free flowing garden in Rome (original site)