This church was commissioned by the Pope Urban VIII. It was built between 1642 and 1660 in Rome. It's made of gypsum and stucco.
The church has an hexagonal floor plan in the center of the church. The floor plan was adapted because before it existed a palace before. Borromini built a dome with convex and concave lines.
The facade is totally convex and there is a patio surrounded by columns. In the facade you can see a lot of small windows.
We can observe many of the Baroque features in this building: predominance of movement, interest in surprising or moving the audience by provoking feelings in them, use of symbols...