Double exposure. Picture taken before sunrise in Piazza della Rotonda in Rome. The excellent lighting of the tympanum of the Pantheon helped me a lot in making this photo. On the left you can see the fountain, from the Renaissance period, that is at the center of the square.
Canon 400D, Canon EF-S 10-22mm f/3.5-4.5 USM, ISO100, f/6.3