fortifications of Gibraltar
... that the fortifications of Gibraltar have made it probably the most densely fortified place in Europe and possibly the world?
... that the <b id="mwBpc"><a href="./Fortifications_of_Gibraltar" id="mwBpg" rel="mw:WikiLink" title="Fortifications of Gibraltar">fortifications of Gibraltar</a></b> <i id="mwBpk">(<a href="./Princess_Anne's_Battery" id="mwBpo" rel="mw:WikiLink" title="Princess Anne's Battery">Princess Anne's Battery</a> pictured)</i> have made it probably the most densely fortified place in Europe and possibly the world?