An escalator in the <a href="https://en.wikipedia.org/wiki/Clapham_North_tube_station" class="extiw" title="w:Clapham North tube station">w:Clapham North tube station</a>, Clapham, London, England.<br>Clapham North tube station
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/56783767@N00">Dan Taylor</a> from London, UK
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/56783767@N00/10064546">Flickr</a>