This is a good idea. Honestly the size and length of Japanese escalators blew my mind when I was visiting there. The ones in Shibuya station that go all the way down to the bottom level feel like they’re almost a kilometer long. I got some vertigo and triggered my fear of heights just by riding them which is crazy. I can’t imagine if someone fell and started a game of dominoes of people falling down that giant escalator. It would be a disaster!