Long video, but in the description there are break points that you can click and fast forward to what ever interests you most!

https://www.youtube.com/watch?fbclid=IwAR1AWh4pFaNnLz0MjNjncWSk5KlevBjglt27DcD1A03KoOTp-QzxBMnKtNc&v... 

This is how you build a mobile sauna in 45 simple steps. Just kidding, there is nothing easy about making a portable banya out of a rusty/crusty vintage hors...