The Sforza Castle is a symbol of Milan, it was built by Francesco Sforza, Duke of Milan. He was born in a noble family, friend of the Visconti family and De’ Medici family. He called Filarete, the architect who designed the Ca’ Grande.
The most prosperous period was during Ludovico’s dukedom. Ludovico hired Leonardo Da Vinci to work at the Sforza castle.
Leonardo da Vinci was only 30 years old and Milan was known of its production of military arms and equipment.
Leonardo da Vinci was involved in different projects as a painter, sculptor, engineer, architect and even master of ceremonies.
He did amazing artworks while he was living in Milan, for example the last supper at Santa Maria delle Grazie or Sala delle Asse inside the Sforza Castle. Sala delle Asse is a room that was meant to be used during the hot days, in this room Leonardo painted an open space fill with trees.
Leonardo brought the attention to his private life before he arrived in Milan, in Florence, where he got denounced for sodomy. In Milan rumors about Leonardo’s homosexuality and his relationship with different persons, one of them is Salaì.
The Passion that Leonardo had for Salai was shown in different paintings fulfill with erotic connotations, even has been said that that Mona Lisa’s smile is based in Salai’s smile.
Salai was Leonardo’s muse and we can see different paintings that show a beautiful and youth boy.