This walk of the Roman Amphiteater in Pozzuoli, Italy was filmed on Saturday September 9th, 2017. Take a walk through the underground passageways and over the arena floor of the Flavian Amphitheater in Pozzuoli, Italy. It is the third largest amphitheater in Italy, behind the Roman Colosseum and the Amphitheater in Capua. When it was excavated in the 19th century, archaeologists discovered that much of the Flavian Amphitheater's structure was still intact and it's underground extremely well preserved.