Roman foundations

Our hotel in Rome has madd it possible to see it's ROMAN foundations lol
Special day today. We has breakfast in Venice and dinner in Rome.
Everything is hot 20°C at 9pm, I'm used to -1°C at this time of year lol.
Visiting the Coliseum, Palatine Hill, The Roman Forum, Trevi Fountain and Piazza Novona! All on foot, only did 6k today but hey 4 hours on a train gets in the way lol