 Standing on top of a late Roman church , the cathedral , reconstructed in the 1970s and 1980s , follows a cross @-@ domed plan with a bell tower and a triple apse . Richly decorated on both the exterior and interior , its internal walls now feature modern frescoes , the presence of which has meant that it has not been reconsecrated . Though not active as a Christian place of worship , it has been open for visitors since 1985 . 
 Standing on top of a late Roman church , the cathedral , reconstructed in the 1970s and 1980s , <a href='uninflect' title='1'><mark>follows</mark></a> a cross @-@ domed plan with a bell tower and a triple apse . Richly decorated on both the exterior and interior , its internal walls now feature modern frescoes , the presence of which <a href='been_done' title='2'><mark>has</mark></a> meant that it <a href='been_done' title='3'><mark>has</mark></a> not been reconsecrated . Though not active as a Christian place of worship , it <a href='uninflect' title='4'><mark>has</mark></a> been open for visitors since 1985 . 
Standing on top of a late Roman church , the cathedral , reconstructed in the 1970s and 1980s , follow a cross @-@ domed plan with a bell tower and a triple apse . Richly decorated on both the exterior and interior , its internal walls now feature modern frescoes , da presence of which done ment dat it done not been reconsecrated . doe not active as a Christian place of worship , it have been open for visitors since 1985 .