international institutions
... that the city of Strasbourg, France is the sole or main seat of over 20 international institutions?
... that the city of <a href="./Strasbourg" id="mwEQw" rel="mw:WikiLink" title="Strasbourg">Strasbourg</a>, <a href="./France" id="mwEQ0" rel="mw:WikiLink" title="France">France</a> is the sole or main seat of over 20 <b id="mwEQ4"><a class="mw-redirect" href="./European_Institutions_in_Strasbourg" id="mwEQ8" rel="mw:WikiLink" title="European Institutions in Strasbourg">international institutions</a></b>?