The Colosseum could hold, between 50,000 and 80,000 spectators, it was used for gladiatorial or combat fighting contests and public spectacles such as animal hunts, executions and dramas.
Largo di Torre Argentina is a square with four Roman Republican temples and the remains of Pompey's Theatre.
We visited there several times but night views were far better than daytime views.
Termini railway station also has a metro station and bus terminals.
It is said that the station is the second largest railway station in Europe after Paris Gare du Nord.
The picture bellow is the view from the station going back to the hotel, Massimo D'Azeglio which we stayed during our visit.
This is Monumento Nazionale a Vittorio Emanuele II viewing from Piazza Venezia.
It also called Altare della Patria or Vittorio.
According to the Wiki, it is a monument built in honor of Victor Emmanuel II, the first king of a unified Italy.