PAN. CU. Interior: First intercolumniation of the choir screen in the south ambulatory _ Funerary monument of Mgr Ferry de Beauvoir _ 1473. The upper section features the story of St Firmin. The Cathedral is in the High Gothic or Classical French style. It was built in the 13th century 1218_1269 to replace a previous Romanesque cathedral. UNESCO designated Amiens Cathedral a World Heritage Site in 1981. Architects: Robert de Luzarches, Thomas de Cormont, Renaud de Cormont.