nostr:npub1zdp33shl69xr0uq3x8n5gsjykq9upycwh6nqm02c3f6x0frrn0dq42vqv8 In southern germany there are old roman stone villas with floor heating and all the nice stuff ...and germanic wooden postholes inside it. without the whole infrastructure (and the slaves!) of the romans the old technologies where no longer feasible or usable.