the splendid oval Piazza del Popolo (“People’s Square”), which is monumental without being intimidating. Over a period of 300 years, it was constructed as the ceremonial entryway to Rome, and, although its elements are diverse in style and in age (13th century bce–19th century ce), a remarkable harmony prevails. In 1561 the Porta del Popolo, the medieval gate in the city wall, was rebuilt. Ninety-four years later its inner face was redone by Bernini for the grand entrance of Queen Christina, who had abandoned the Protestant throne of Sweden for the hospitality of Catholic Rome. In 1589 Pope Sixtus V punctuated the piazza’s centre with an obelisk (13th century bce) brought by the emperor Augustus from Heliopolis in Egypt to the Circus Maximus.