Bruce Tunnel
...that the Bruce Tunnel is the only tunnel on the Kennet and Avon Canal and the second longest navigable tunnel on Britain's canals?
...that the <b id="mwAaM"><a href="./Bruce_Tunnel" id="mwAaQ" rel="mw:WikiLink" title="Bruce Tunnel">Bruce Tunnel</a></b> is the only <a href="./Tunnel" id="mwAaU" rel="mw:WikiLink" title="Tunnel">tunnel</a> on the <a href="./Kennet_and_Avon_Canal" id="mwAaY" rel="mw:WikiLink" title="Kennet and Avon Canal">Kennet and Avon Canal</a> and the second longest navigable tunnel on <a class="mw-disambig" href="./Britain" id="mwAac" rel="mw:WikiLink" title="Britain">Britain</a>'s <a class="mw-redirect" href="./Canals" id="mwAag" rel="mw:WikiLink" title="Canals">canals</a>?