Ok what the heck is a Paternoster? 
According to Wikipedia:

A paternoster or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two persons) that move slowly in a loop up and down inside a building without stopping. Passengers can step on or off at any floor they like.

I’ve never heard of one or seen one. They look terribly dangerous but kind of fun at the same time.

Here’s one in action: