approved
... that voters in Zurich, Switzerland, approved the creation of "sex boxes"?
... that voters in <a class="mw-redirect" href="./Zurich" id="mwET4" rel="mw:WikiLink" title="Zurich">Zurich</a>, Switzerland, <b id="mwET8"><a class="mw-redirect" href="./Swiss_referendums,_2012" id="mwEUA" rel="mw:WikiLink" title="Swiss referendums, 2012">approved</a></b> the creation of "<a href="./Prostitution_in_Switzerland" id="mwEUE" rel="mw:WikiLink" title="Prostitution in Switzerland">sex boxes</a>"?