There will be a large indoor swimming pool that would be available exclusively by me, or anyone else visiting, or living with me. The pool can be thought as the same kind as an underground pool. This will allow to not have to climb a flight of stairs to get to the pool as you would with an above ground pool. The pool will be just 1 floor, and the roof will have solar panels, and solar tube lighting to provide for electricity and natural daylight even though there are no windows.