Campanica | Monitoring Italy's Campania region around Naples

DO NOT TOUCH THE TREASURE OF SAN GENNARO With the art world on high alert, one Italian collection says its method of creating a photographic fingerprint of its own priceless gems and artefacts could make them harder to break apart and sell on. A team of gemology experts has spent more than a decade studying the most valuable pieces of the collection at Naples' Tesoro di San Gennaro museum. Using microscopes and specialised equipment, the team has photographed more than 10,000 stones. How a Naples museum protects its treasures with forensic mapping | Reuters