Fortress of Mimoyecques
... that the underground Fortress of Mimoyecques was built by Nazi Germany to bombard London with 10 shells a minute using the V-3 supergun?
... that the underground <b id="mwoA"><a href="./Fortress_of_Mimoyecques" id="mwoQ" rel="mw:WikiLink" title="Fortress of Mimoyecques">Fortress of Mimoyecques</a></b> <i id="mwog">(pictured)</i> was built by Nazi Germany to bombard London with 10 shells a minute using the <a href="./V-3_cannon" id="mwow" rel="mw:WikiLink" title="V-3 cannon">V-3 supergun</a>?