The railway line through the Sydney gardens in Bath was closed in August 2015 so that the track could be lowered beneath its historic bridges. Here a group of signal engineers undertake some preparatory work.
<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>