A floorplan of the ground and upper ground floors of the <a href="https://en.wikipedia.org/wiki/en:British_Library" class="extiw" title="w:en:British Library">British Library</a> in St. Pancras, London.
<a href="//commons.wikimedia.org/wiki/User:Rock_drum" title="User:Rock drum">Rock drum</a>
2011-05-08
<span class="int-own-work" lang="en">Own work</span>