On the other side of Circo Massimo, there's another one of the seven hills the Rome was built on, the Aventine Hill. On the Aventine Hill, there are some of the oldest Christian churches of Rome: Santa Sabina, San Alessio (also known as Santi Bonifacio e Alessio) and Santa Prisca, as well as Piazza dei Cavalieri di Malta and Il Giardino degli Aranci.
Moving on, I found Il Baldacchino, which is the altar of San Pietro and it marks the location of St. Peter's tomb. We unfortunately weren't allowed to go beneath it, it was closed that day. It would've been a nice (creepy/spooky for me) experience because there are several other tombs of popes, including the one of John Paul II. Il Baldacchino is another masterpiece of Bernini who used bronze from the ceiling of the Pantheon's portico. Also, by Bernini, in the left corner of the church, I found the tomb of pope Alexander VII, a monument I was keen on seeing because it looked great in a picture I had found. Needless to say that it looks 10 times better in real life. The monument shows a praying pope, while the virtues Charity, Truth, Prudence and Justice are looking up at him. There's a bronze skeleton raising an hourglass from beneath a marble drapery, to remind the pope that he is not immortal. The monument was finished by Bernini at the age of 80, a fact which in itself is totally amazing.
Before heading back home, Emanuela suggested that we should go to San Luigi dei Francesi, the national French church in Rome, which was very close. The church is very famous for the three Caravaggio paintings it possesses. The church was closed for another 15 minutes when we arrived, so we decided it was worth the waiting. When they finally opened the doors, I was the first to get to the chapel that hosts the three paintings. The paintings are about St. Matthew's life, the names of the very famous paintings being The Calling of St. Matthew, The Inspiration of St. Matthew, The Martyrdom of St. Matthew. I like Caravaggio a lot, he's different than most things you can see in Rome.
We went home then and tried to relax for the big evening. I didn't manage to relax though, so I chose to have a shower and then read a little.