Post #765855

> The first ‘active’ greenhouse to be built, as was discovered by chance in 2001 in a historical document, was in 15th century AD Korea. On the basis of the surviving document, entitled ‘Growing Vegetables During Winter’, a reconstruction of the greenhouse was made, and it was found to combine traditional heating technology with sophisticated heat retention features and control of condensation. https://londonkoreanlinks.net/2019/11/22/the-worlds-first-active-greenhouse/ Via: https://permies.com/t/262705/Medieval-Korean-oiled-paper-greenhouses #Permaculture #SolarPunk #SolarPunkSunday