Gladiator mosaic, Villa Borghese, Rome. This early 4th-century mosaic is 28 metres long. It was originally found in Torrenova outside Rome, now it is located in this palace in a huge ornate room. The mosaic shows the weapons and armour of gladiators. Gladiator mosaic, Villa Borghese, Rome. This early 4th-century mosaic is 28 metres long. It was originally found in Torrenova outside Rome, now it is located in this palace in a huge ornate room. The mosaic shows the weapons and armour of gladiators.