What exactly is taking place underneath the floor-board of exhibition halls of Pinacoteca? The answer is simple: hidden from the tourists eyes, huge, expensive and required of angelic patience, devotion and knowledge conservatory works. The Vatican is the world biggest "hospital" for works of art. Tens of paintings, sculptures, frescos, books and documents are being repaired here on daily basis. About fight for their survival, about work of Vatican conservators of work of arts you will learn from this episode.