Located inside a Japanese mall, the escalator holds a Guinness World Record READ MORE: 'I've visited every country in Europe - this is where I didn't feel safe' First there was the chocolate ...

Unlike Reno’s design, which was also at the Exposition, Seeberger’s escalator had flat, moving stairs and a smooth step surface without the comb effect seen in modern escalators. Attendees of ...

Individual escalator steps are connected to two sets of wheels: one near the bottom and one near the top. They allow the step to stay flat before rotating underneath when it reaches the end.