the kingdom's flag
... that the Constitution of Tonga stipulates that the kingdom's flag can never be changed?
... that the <a href="./Constitution_of_Tonga" id="mwAbs" rel="mw:WikiLink" title="Constitution of Tonga">Constitution of Tonga</a> stipulates that <b id="mwAbw"><a href="./Flag_of_Tonga" id="mwAb0" rel="mw:WikiLink" title="Flag of Tonga">the kingdom's flag</a></b> <i id="mwAb4">(pictured)</i> can never be changed?