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Photo: Van Loon, CC BY-SA 3.0 via Wikimedia Commons
The southeastern city gate, the "gate towards Rome" is simpler built than Ticinese. However Milan has had a "Porta Romana" as a part of its city walls already when the city was part of the Roman Empire. It has given the name to the district it's in, and to the nearby Metro station.
Porta Romana is a former city gate of Milan, Italy. In its present form, the gate dates back to the 16th century Spanish walls of Milan. Its origins can be traced further back to the Roman walls of the city, which had a corresponding "Roman Gate" roughly in the same area. Porta Romana was the first and the main imperial entrance of the entire city of Milan, as it was the starting point of the road leading to Ancient Rome.
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Built in the late 16th century for the Third Order of Saint Francis, much of its interior including decoration and paintings has been preserved.
An 18th-century Neoclassical complex. It is now an exhibition space.
Parco della Guastalla
Among Milan's oldest (founded in the 16th century), but quite small gardens, and are very close to the University district. The parks, however, were only opened to the public in the early 20th century. You can have a nice walk inside, and you also have a classical temple-like structure and also a sort of pond with a Baroque railing surrounding it. Reachable via Crocetta, P.ta Romana, Missori or even San Babila metro stations. It's also not that far from the Duomo.
A late 15th-century church and sanctuary with many works of Milanese Baroque and Renaissance artists.
Largo Marinai d'Italia
A park with many different trees in the southeast of Milan at the location of a former market. The park also hosts the building of Palazzina Liberty, where theater performances and concerts are held.
Parco Papa Giovanni Paolo II or Parco delle Basiliche
Named the Basilicas Park as it connects two basilicas: the Basilica of San Lorenzo and the Basilica of Sant'Eustorgio. Formerly a place for drug use and anti-social behavior, it has been cleaned up and redesigned and is now more pleasant. It was renamed after the late Pope John Paul II.