Syria uncovered a large intact mosaic that dates back to the Roman era, in the central town of Rastan, saying it is the most important archaeological discovery since the conflict began 11 years ago. The mosaic, at 120 square meters (around 1300 square feet), was found in an old building that Syria’s General Directorate of Antiquities and Museums had been excavating. Lebanese and Syrian businessmen from the neighbouring country’s Nabu Museum bought the property that dates back to the 4th century and donated it to the Syrian state. Each panel was filled with square-shaped, small colorful stones …