There is only one beautiful church in Milan... There is a street next to it where you can buy things.
They are all big-name luxury goods.
You can stay in Rome for two or three days and go to the Vatican to see St. Peter's Basilica, the Forum, and the Vatican Museums.
There is Castel Sant'Angelo not far from the Vatican. There is nothing interesting to see inside, but you can climb to a high place to take photos. Tickets are required.
You can also go to the Plaza de Espa?a, where a band plays music, which is quite nice and lively.
There is also a street on the Plaza de Espa?a side with luxury stores.
There is a wishing fountain not far from Plaza de Espa?a. It is very popular and very beautiful.
There is also the Colosseum.
The Colosseum also sells a package ticket, which includes tickets for the Colosseum and surrounding ruins. It takes a while to walk around, and then you can stop by the square designed by Michelangelo. I forgot its name.
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The Rome Metro is very convenient. There are two lines, A and B, one going to the Colosseum and one going to the Vatican.
Venice is beautiful!
The main island is super beautiful!
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There are museums and the Governor's Palace.
Spend a few more days in Venice!
You can visit the main island first and then go to Rainbow Island!
There is a water bus from the train station in Venice to the main island. The fare seems to be 6 euros... I didn't have time to go to Rainbow Island.
If you like art, go to Florence.
There are so many museums.
But I didn't go.