fountain the river aniene - the quattro fontane (the four fountains) - landmark attraction in rome, italy

affluent ancient aniene anio antique aqueduct architect architecture art artistic attraction basin building built canal corner crossroad domenico drinking ensemble europe figure flowing fontana fontane fountain fountains four heritage historic history intersection italian italy landmark late lion mattei muzio old one piazza pope quattro quirinale reed renaissance restoration river roman rome sculpture semicircular sixtus statue stone symbol thirsty tiber tributary water