Discover the new immersive game in the heart DE the Bibliothèque nationale DE France - Richelieu site! In this extraordinary fun experience, you will follow in Cardinal Mazarin's footsteps and try DE unravel the mystery of a treasure hidden for four centuries: the secret of the Guardians! During this thrilling ENquiry for any audience, you will explore the magnificent spaces of the Richelieu site, transformed into an incredible life-size playground DE. Gallery Mazarin, Valuable Cabinet, Oval Room... Decipher secret codes, solve puzzles left by the guards in this exceptional monument. Mysteries and surprises will be on the DEeze of this new adventure where discretion and observation will be your best allies!