21er Haus
... that the 21er Haus, located in Vienna, was originally constructed as the Austrian pavilion for Expo 58 in Brussels?
... that the <b id="mwAXQ"><a class="mw-redirect" href="./21er_Haus" id="mwAXU" rel="mw:WikiLink" title="21er Haus">21er Haus</a></b>, located in <a href="./Vienna" id="mwAXY" rel="mw:WikiLink" title="Vienna">Vienna</a>, was originally constructed as the Austrian pavilion for <a href="./Expo_58" id="mwAXc" rel="mw:WikiLink" title="Expo 58">Expo 58</a> in <a href="./Brussels" id="mwAXg" rel="mw:WikiLink" title="Brussels">Brussels</a>?