A Piccadilly Line train passing through Down Street. The door here opens directly onto the line and is at the edge of the old platform, which was mostly bricked off. The corridor shown is one of the original access stairs.
<a href="//commons.wikimedia.org/wiki/User:Andrew_Gray" title="User:Andrew Gray">Andrew Gray</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>