Underground City
... that the Underground City in Beijing is a bomb shelter said to accommodate six million people?
... that the <b id="mwC5Q"><a href="./Underground_City_(Beijing)" id="mwC5U" rel="mw:WikiLink" title="Underground City (Beijing)">Underground City</a></b> in <a href="./Beijing" id="mwC5Y" rel="mw:WikiLink" title="Beijing">Beijing</a> is a <a href="./Bomb_shelter" id="mwC5c" rel="mw:WikiLink" title="Bomb shelter">bomb shelter</a> said to accommodate six<span id="mwC5g" typeof="mw:Entity"> </span>million people?