Interesting video, but even in the video, not everybody trips. The main difference though, is that walking up steps is a highly automatic action. Science is not, or should not be. What happens if people are told that the step is a different height and to be extra careful?
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Replying to @itjohnstone @djnavarro
Ideally the steps would be rebuilt. In the interim, a sign and some different paint on the step would help.
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Replying to @djnavarro @itjohnstone
You could argue it's the people who tripped who are the efficient exacting climbers. 
12:15 AM - 4 Oct 2018
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