Sunken Greenhouse Revival – Ventilation, Polycarbonate Panels
Sunken Greenhouse Revival – Ventilation, Polycarbonate Panels. Photo – http://www.youtube.com/watch?v=FXE3el0eZ1M A sunken greenhouse is a low-cost structure designed to extend the growing season of vegetables. The intriguing structure combines the conveniences of an earth-sheltered building and passive solar heating for stable temperatures. For this reason, sunken greenhouses can potentially be …