From April 15, 2023, the fourth anniversary of the fire at the cathedral, until July 2023, visitors could admire the exhibition “Notre-Dame de Paris – A Cathedral’s Journey Around the World” at the Institut français Berlin. 

HAMMER Promotion planned and executed the solemn opening for L’Oréal at the institute’s premises. Approximately 200 invited guests from politics and culture had the opportunity to participate in exclusive guided tours and experience Notre Dame on every floor of the building.