Piazza Collegiata, also called Piazza Grande, is the very center of the old city, the venue for the Saturday market and traditional meetings of the townspeople. In fact, the current appearance of the square was formed in the middle of the 16th century, when several buildings were demolished to provide access to the monastery church. On the facade of one of the square's buildings, the memory of famous scientists and inventors is immortalized - their bas-reliefs are installed in oval niches. And above the entire area rises the Church of St.→