Exit No. 10 used to merge from the tunnels for the attack in the <a href="https://en.wikipedia.org/wiki/battle_of_Arras_(1917)" class="extiw" title="w:battle of Arras (1917)">battle of Arras</a>,  Carrière Wellington Museum
<a href="//commons.wikimedia.org/wiki/User:%D7%A9%D7%A0%D7%99%D7%9C%D7%99" class="mw-redirect" title="User:שנילי">Ei Shany אלי שני</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>