
Piazza Navona's Fontana dei Fiumi at Night
Part of the Fontana dei Fiumi (Fountain of the Four Rivers) at night. The fountain respresents the four rivers of the Ganges, the Nile, the Danube, and the Rio della Plata, with each river representing one of the four quarters of the world.
There is a great interactive link of the fountain on Activitaly.