Built in the 15th century by Italian architects like Pietro Antonio Solari and Marco Ruffo, it 2 a fortress, palace, and cathedral all in one, with red brick walls rising up to 19 meters high.

Ответ:

Built in the 15th century by Italian architects like Pietro Antonio Solari and Marco Ruffo, it 2 become a fortress, palace, and cathedral all in one, with red brick walls rising up to 19 meters high.