While Italy is now allowing tourists only from the United States, the tourists need to self-isolate upon arrival for 10 days unless they arrive on the so-called COVID-tested flights. That means passengers are tested before and after the flight and must fill out documents about their whereabouts to facilitate contact tracing if required.Colosseum: It is a huge amphitheater with a model for sports facilities right up to modern times. Built by Vespasian in AD 72 and enlarged by the addition of a fourth story by his son, Titus, it was a venue for public spectacles and shows - even mock sea battles.Florence Duomo Santa Maria del Fiore : The Duomo Santa Maria del Fiore dominates the Florence skyline. The cathedral's bell tower stands close beside the cathedral in Piazza del Duomo, covered in the same patterned marble typical of Tuscan Romanesque architecture.The Grand Canal :A gondola ride through the canals of Venice is a tradition that travellers have been enjoying for centuries. Venice is a city of islands and the canals have long been the city's main streets, connected by a labyrinth of narrow passageways.Leaning Tower of Pisa: Leaning Tower of Pisa stands on the Piazza dei Miracoli, a setting it shares with the beautiful Romanesque Cathedral of Santa Maria Assunta and a round freestanding baptistery. Each of these features outstanding works of medieval stone carving.35 TTW World