Round Church
... that the interior of the 10th-century Round Church in the medieval Bulgarian capital of Preslav features medieval inscriptions in three alphabets and two languages?
... that the interior of the 10th-century <b id="mwBAg"><a href="./Round_Church,_Preslav" id="mwBAk" rel="mw:WikiLink" title="Round Church, Preslav">Round Church</a></b> <i id="mwBAo">(pictured)</i> in the medieval <a href="./Bulgaria" id="mwBAs" rel="mw:WikiLink" title="Bulgaria">Bulgarian</a> capital of <a class="mw-redirect" href="./Preslav" id="mwBAw" rel="mw:WikiLink" title="Preslav">Preslav</a> features medieval inscriptions in three alphabets and two languages?