historic little street, Weinheim on Bergstraße, Germany
The DutchTub, a "low-tech" jacuzzi uses very rudimentary heat exchanger coil to heat water
Most ingenious way of doing laundry... all for free. The water makes the clothes spin. On Cobăşel creek, in Şanţ, Jud. Bistriţa-Năsăud, Romania. They still work!!!
Popasul Verde Sângeorz Băi Bistrita Nasaud Romania https://spoty.com/vacations/romania/experience-the-living-in-unique-strawbale-house
Bistrița (Bistritz) 18th century