Check out the world's biggest rooftop greenhouse in Montreal | The Optimist Daily: Making Solutions the News
Red Sun Farms greenhouse opened north of Dayton, Ohio
Amazon.com : S AFSTAR 10x20x6.5Ft Large Greenhouse, Portable Walk-in Tunnel Greenhouse w/2 Roll-up Zippered Doors & 8 Side Mesh Windows, Garden Greenhouse Plastic Plant Hot House for Flower Herb Vegetable (Green) :
Giant greenhouse hi-res stock photography and images - Alamy