Mosaico, originally uploaded by mondoblu.

I took the photo in Musei Capitolini, in the centre of Rome, in case you visit Rome don’t miss Musei Capitolini!

check out this fabulous close up at wikpedia  Theatrical masks of Tragedy and Comedy. Mosaic, Roman artwork, 2nd century CE.

The Capitoline Museums (Italian Musei Capitolini) are a group of art and archeological museums in Piazza del Campidoglio, on top of the famous Capitoline Hill in Rome, Italy.”  – source wikipedea