VATICAN CITY, Feb 24 (Reuters) - Since the late 1500s, a small workshop in the Vatican has cared for the hundreds of mosaics that decorate the interior of St. Peter's Basilica in a sea of colour.
The 12 artists on staff at the Vatican Mosaic Studio also produce smaller artworks that Pope Leo uses for a kind of "mosaic diplomacy", gifting them to foreign leaders visiting the Vatican or on his own trips overseas.
