&gt; &quot;Because the TBMs are so large and unwieldy, two of them—named Phyllis and Ada—were left buried in the ground near the new Farringdon tunnels.&quot;<p>There&#x27;s a movie plot in that, but I&#x27;m not sure if it&#x27;s a &quot;mad scientist destroys London with TBM&quot; plot, or a &quot;heroic genius saves London from zombies with TBM&quot; plot, or a &quot;Bruce Willis foils terrorists in London with TBM&quot; plot.<p>I guarantee those machines get referenced in a movie &#x2F; book in the next decade :-)