This mesmerizing nocturnal and daylight spectacle transforms the Romanesque town of Rosheim into a vibrant Venetian dreamscape. Originating as a cultural homage to the historic artistic ties between the Rhine and Italy, the festival has become a flagship event for regional performing arts. It showcases the incredible identity of local artisans who spend months handcrafting elaborate silk costumes and intricate masks. Visitors experience an ethereal atmosphere as masked ‘costumés’ wander through historic courtyards and the 12th-century church surroundings. The social impact is profound, uniting thousands of photography enthusiasts and families in a silent, respectful celebration of beauty. For academic researchers, the event serves as a case study in the modern reinterpretation of European carnival traditions. By maintaining this level of artistic excellence, Rosheim ensures the continued prestige of its historical heritage for future generations. The meticulous organization of this festivity guarantees the enduring transmission of authentic regional heritage to forthcoming generations. It remains a cornerstone of the Bas-Rhin cultural calendar, attracting international visitors who value the preservation of high-level artisanal craftsmanship.