A rare Roman-era mosaic is uncovered during the excavation of an old building in Syria

People look at a large mosaic that dates back to the Roman era in the town of Rastan, Syria, on Wednesday. (Omar Sanadiki/AP)

RASTAN, Syria — Syria uncovered a large intact mosaic that dates back to the Roman era, describing it Wednesday as the most important archaeological discovery since the country's conflict began 11 years ago.

Journalists were shown the mosaic in the central town of Rastan near Homs, Syria's third largest city.