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Villa Ada is a park in Rome, Italy, with a surface of 450 acres (1.8 km2) it is the second largest in the city after Villa Doria Pamphili. It is located in the northeastern part of the city.

The Catacomb of Priscilla is an archaeological site on the Via Salaria in Rome, Italy, situated in what was a quarry in Roman times. This quarry was used for Christian burials from the late 2nd century through the 4th century. This catacomb, according to tradition, is named after the wife of the Consul Manius Acilius Glabrio; he is said to have become a Christian and was killed on the orders of Domitian.

The Raggruppamento Operativo Speciale (ROS), or Special Operations Group, is part of the Italian Carabinieri. Founded on 3 December 1990 to coordinate investigative activities against organized crime, it is now the main investigative arm of the Carabinieri, dealing with organized crime and terrorism.