The Basilica di Santa Maria in Montesanto is another creation by architects Carlo Rainaldi, Carlo Fontana and Giovanni Lorenzo Bernini, built in Piazza del Popolo in 1675. Although the churches of Santa Maria in Montesanto and Santa Maria dei Miracoli look like twins and give the impression of being absolutely symmetrical, in fact it is an illusion. Santa Maria in Montesanto is oval, and Santa Maria dei Miracoli is round...