In the early years of the 16th century, Pope Julius II had initiated renovations when it became clear that the ancient basilica, completed around AD 360 on the site believed to be St Peter’s tomb, was at serious risk of collapse. At first, almost no one proposed remaking it entirely. The new St Peter’s took shape slowly, and for all its spiritual symbolism it was the architectural project from hell. Imagine a century of Grand Designs specials with one pope after another playing the despairing client and you get the picture. – Literary Review