Havnelageret
... that the fourth floor of Havnelageret in Oslo was used as an air-raid shelter during the Second World War?
... that the fourth floor of <b id="mwElU"><a href="./Havnelageret" id="mwElY" rel="mw:WikiLink" title="Havnelageret">Havnelageret</a></b> in <a href="./Oslo" id="mwElc" rel="mw:WikiLink" title="Oslo">Oslo</a> was used as an <a class="mw-redirect" href="./Air-raid_shelter" id="mwElg" rel="mw:WikiLink" title="Air-raid shelter">air-raid shelter</a> during the <a href="./World_War_II" id="mwElk" rel="mw:WikiLink" title="World War II">Second World War</a>?