nostr:npub1uulgprgn83cr53jjaxfpger9eslppz5tqq8fw9nx47c3mma4cflskudkn7 nostr:npub1p9hxd3g330yqj24pk9j2r6g52acdhnu3mkf7caddq7dz25keq2ss8ln3uq 

i'm looking at a geothermal greenhouse. something along these lines: https://www.youtube.com/watch?v=IZghkt5m1uY