Green rooftops & Blade Runner (2)

Just found (thanks to pleia2's blog) the coolest Green Rooftop I've seen... The Living Roof of the California Academy of Science.
You could almost see the Hobbits in that picture, I'll be damned ;)

As I said before regarding green rooftops, these would make Rick Deckard red with envy, and, on top of that, this particular green rooftop its in San Francisco...