Tropical Greenhouse in the Franconian ForestTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video10/07/2013October 7, 2013A greenhouse in northern Bavaria is using the waste heat generated by a neighboring glassworks. Despite an elevation of 700 meters, air of 40 degrees Celsius is all that's needed to grow tropical fruits here.https://p.dw.com/p/19uXjAdvertisement