This article, method of growing, is very cool.
http://www.techvibes.com/blog/north-americas-first-vertical-urban-farm-is-being-built-in-canada-2012-08-27
North America's First Vertical Urban Farm
This article, method of growing, is very cool.
http://www.techvibes.com/blog/north-americas-first-vertical-urban-farm-is-being-built-in-canada-2012-08-27