La Manzana de las Luces is the site of an old Jesuit church and a prestigious educational institution in Buenos Aires, which was the cultural center of the city during the seventeenth and eighteenth centuries, it was the primary medical school In Buenos Aires here, as well as the offices of the University of Buenos Aires historically, as it was a center of political activity, a large number of students contributed to the independence of Argentina, where the Jesuits built the Church of San Ignacio in honor of the founder of the order on the land granted to them in 1616, and from It is worth noting that it is the oldest church in Buenos Aires, and tours are usually held on weekends, and you can also take a distinguished tour of the network of underground tunnels built by the Jesuits that connect the building to all major parts of the city.