Breathtaking walls of greenery

A French botanist, Patrick Blanc, designs beautiful landscapes that climb building walls. See his work at:

8-Story Antigravity Forest Facade Takes Root

Blanc's recently completed facade for the Athenaeum hotel in London...could be his most high-profile project yet. Looming over Green Park, it's an eight-story antigravity forest composed of 12,000 plants.

Okay, so the writer doesn't really understand the word antigravity, but the pictures are beautiful and the varied microclimates are challenging. Blanc seems a master in his chosen area, uninterested in normal garden plots. As he puts it, 'I leave horizontal gardens to others. I only think vertically.'