YES PLEASE, green bean teepees. This is amazing! What a great idea for some serious green bean growing. This would also work for strawberries, peas, grapes and possibly squash varieties. Basically, anything that can grow vertically!
The greenhouse in the country: do with their hands out of PVC pipe. Detailed instructions with diagrams for the greenhouse of plastic pipes. Two variants of the greenhouse: one entirely of PVC pipe, the other of the pipes on a wooden frame.