6 thoughts on “Piano stairs

  1. It appears that the intent is to increase the amount of traffic that opts to use the stairwell instead of the escalator. In the early part of the video, 99% of the traffic is avoiding the stairs and opting for the escalator instead. After the modification, it seems like more people are using the stairs. Also, I saw something about a 66% in there, so I’m pretty sure it’s referring to the increase in foot traffic on the stairs. Could be wrong, but that’s my hypothesis.

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