St Peter's gets AI treatment with 'digital twin' of famed basilica Every nook and cranny of Saint Peter's Basilica will soon be laid bare thanks to artificial intelligence and a trove of 400,000 photos of the celebrated Vatican monument,

Using 400,000 high-resolution digital photographs, taken with drones, cameras and lasers over four weeks when no one was in the basilica, the digital replica is going online alongside two new on-site exhibits to provide visitors - real and virtual - with an interactive experience.