I have has a thing for steam engines and have looked at these Bohm Stirling pieces on line. They do not rely on water to generate energy but heat from a small flame that heats up the engine and gets it going. There was even one that can be placed over a mug of coffee and is activated by the heat rising off the hot liquid, also acts as a coffee insulator.
After that it was back downstairs for our final farewell to our guides and rush back to the hotel for our final dinner of the trip. I was able to grab a few early evening shots before our group got on the bus.
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