French artist JR has transformed Paris's Pont Neuf, the city's oldest bridge, into a massive inflatable grotto titled *La Caverne du Pont Neuf* (2026). The installation measures 120 meters long, 20 meters wide, and up to 18 meters tall, and will be open to the public from June 6 to June 28. It incorporates sound design by Thomas Bangalter of Daft Punk, augmented reality via Snap Inc., and a Bloomberg Connect guide. Over 800 people helped realize the project, which was fabricated from 18,900 square meters of fabric and 20,000 cubic meters of pressurized air by French firm Air Toiles Concept. The work concludes a five-year series of large-scale trompe l'oeil pieces by JR and pays homage to Christo and Jeanne-Claude's *The Pont Neuf Wrapped, Paris* (1975–85), with the blessing of their foundation.
This project matters because it continues JR's signature practice of monumental, participatory public art that engages both local communities and global audiences. By referencing Christo and Jeanne-Claude's iconic wrapping while introducing contemporary technology like augmented reality, JR bridges art history with digital innovation. The free admission and collaboration with major partners (Snap Inc., Bloomberg Philanthropies, Paris Aéroport, Salesforce) demonstrate how large-scale public art can be funded and experienced in the 21st century. The installation also highlights sustainability through the use of ephemeral air and organic inks, and it reinforces Paris's role as a stage for ambitious, temporary urban interventions.