Vilenica International Literary Festival
... that the main event of Vilenica International Literary Festival takes place inside a cave?
... that the main event of <b id="mwBRA"><a href="./Vilenica_International_Literary_Festival" id="mwBRE" rel="mw:WikiLink" title="Vilenica International Literary Festival">Vilenica International Literary Festival</a></b> takes place inside a <a href="./Vilenica_Cave" id="mwBRI" rel="mw:WikiLink" title="Vilenica Cave">cave</a>?<!--special occasion hook for September 6-->