Here is a video clip of Geoff Lawton, the director of The Permaculture Research Institute, describing a 2,000 year old Food Forest that is still being used today. Fascinating!
2,000 Year Old Food Forest
Since I am on the topic of Food Forests, I thought I would show you another clip of Geoff Lawton showing the different stages of a Food Forest's progression (known as Food Forest Succession).
7 Food Forests in 7 Minutes