After the stop of some hours in Pisa, we continue our journey towards Milan. The city is the second largest in Italy, only losing to Rome. There are just over 3.6 million inhabitants in the Milan metropolitan area. The road from Pisa to Milan was quiet and we were communicating with the person from Airbnb, from where we had rented an apartment, as part of the family from Brazil would meet us there and we would continue our journey in 9 people. We thought it was more advantageous to rent an apartment, which had 3 rooms. Traveling with large groups… We chose to go around Milan using public transportation (metro),…