Bathrooms near elevators

1. Where should an elevator be placed in a building?
2. What do you call an elevator on the outside of a building?

Where should an elevator be placed in a building?

As a starting point, there are 4 placement options, in particular, as a replacement for a back staircase or kitchen staircase, in the free space by or in a main staircase, through the floor decks, or mounted externally on the building.

What do you call an elevator on the outside of a building?

Observation elevator or sightseeing elevator. I think observation elevator is more commonly used, as Google returns pictures and more results (76 thousand vs.