Possible Clues:

• Part of the Vatican
• Job for Renaissance artist? He's working with Plasticine
• Where Michelangelo painted and worked then is special
• Latin speech is misinterpreted in Vatican building
• Vatican site of frescoes by Michelangelo
• Religious venue? This place is one, restored, nothing less
• Famous building he's modelled with plasticine
• The Last Judgment is here: the sin place is bursting
• Vatican location of Michelangelo frescoes
• Sixtus IV's one across first to suffer mutant encephalitis