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A comment on Why London Underground stopped people walking up the escalators. Parent comment

Re:Why London Underground stopped people walking up the esca... by k-mcgrady on Saturday January 16, 2016 @05:25PM (#10917158)
It's not possible to walk up them for a lot of people (health reasons). Even fit people have trouble in some stations as the escalators can be very steep and very long.
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Re:Why London Underground stopped people walking up the esca... by Silhouette on Saturday January 16, 2016 @05:33PM (#10917191)
Even fit people have trouble in some stations as the escalators can be very steep and very long.

Also, the ambient temperature and other atmospheric properties are far from ideal for physical exertion in many of these stations.

That doesn't matter so much if you're generally fit and completely healthy. If, however, you have something like asthma, the environment potentially exacerbates the condition even if you're otherwise in good shape for that kind of exercise.

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