▁common ▁in ▁contemporary ▁sec ular ▁art , ▁is ▁as ▁unexpected ▁in ▁a ▁room ▁supposed ly ▁dedicated ▁to ▁study ▁as ▁it ▁is ▁for ▁a ▁room ▁in ▁a ▁pap al ▁a partment . ▁The ▁fres co es ▁were ▁probably ▁painted ▁by ▁French ▁artists , ▁who ▁were ▁either ▁highly ▁influenced ▁by ▁S ien ese ▁art ▁or ▁assist ed ▁by ▁Sim one ▁Mart ini ▁and / or ▁Mat te o ▁Gi ovan etti , ▁both ▁of ▁whom ▁served ▁as ▁Clement ' s ▁court ▁painter . ▁ ▁The ▁Great ▁T in el ▁This ▁room ▁was ▁used ▁primarily ▁as ▁a ▁reception ▁room . ▁Cover ed ▁with ▁t apest ries ▁on ▁star ry ▁blue ▁background , ▁there ▁is ▁actually ▁nothing ▁left ▁of ▁these ▁sets . ▁Indeed , ▁a ▁fire ▁destroyed ▁the ▁palace ▁in ▁the ▁ 1 4 th ▁century : ▁many ▁parts ▁have ▁been ▁restored ▁or ▁re built . ▁ ▁During ▁conc la ves , ▁it ▁is ▁in ▁this ▁room ▁that ▁the ▁card inals ▁met ▁to ▁elect ▁a ▁new ▁po pe . ▁For ▁the ▁occasion , ▁the ▁room ▁was ▁w alled ▁and ▁only ▁a ▁small ▁opening ▁was ▁left ▁open ▁to ▁provide ▁all ▁the ▁necessary ▁food . ▁After ▁each ▁conc lave , ▁the ▁walls ▁were ▁destroyed , ▁reve aling ▁a ▁v ault ed ▁room ▁opening ▁to ▁the ▁rest ▁of ▁the ▁palace . ▁ ▁The ▁chap els ▁ ▁Saint - Mart ial ▁chap el ▁ ▁Loc ated ▁on ▁the ▁second ▁level ▁of ▁the ▁Saint - Jean ▁tower , ▁the ▁Saint - Mart ial ▁chap el ▁rel ates ▁through ▁painting ▁the ▁main ▁parts