Windsor &amp; Eton Riverside railway station has two platforms. The one nearest Windsor Castle has a screen wall with multiple blue doors which were to allow the quick movement of Queen Victoria's guards on and off the station when she was travelling.
<a href="//commons.wikimedia.org/wiki/User:Geof_Sheppard" title="User:Geof Sheppard">Geof Sheppard</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>