Sandswnd Tunnel, on the former Whitby, Redcar and Middlesbrough Union Railway that was opened in 1883 and closed in 1958. Southern entrance.
Linda Spashett <a href="//commons.wikimedia.org/wiki/User:Storye_book" title="User:Storye book">Storye book</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>