While the idea is a wonderful one, worthy of the finest science fiction, the vertical stacking of food growing areas won't work. Plants turn sunlight into food - any areas shaded by a layer above will be unproductive, and the total productive area won't greatly exceed the footprint of the building. This is why food is grown in wide open spaces: you have to cover a large area in order to capture enough sunlight.<br> <br> Maybe the site's just a flight of fancy.<span style="font-family: verdana,arial,helvetica,san-serif;"></span>
Rob