If you can't go UP with a large enoughberm, etc. how about down? What's your water table situation? Can you do a dug out patio/courtyard area for sitting and teaching in?
"The world is changed by your example, not your opinion." ~ Paulo Coelho
The Humble Soapnut - A Guide to the Laundry Detergent that Grows on Trees ebook by Kathryn Ossing
