Elevator was invented earlier than expected. And, I didn't know the initial version of the elevators were powered by steam engine.
I had thought all of the elevators would be powered by electricity.
Because of its cost, more than 120 years ago, interiors of the elevators were treated as luxurious ones and were decorated with luxurious ornaments and some had chandeliers. I wish I had ridden such kinds of elevators.
I guess it can be possible to sophisticate interior as well as its speed.