MARDİN A mosaic estimated to be around 1,500 years old has been discovered on the floor of a historic mill during cleaning work in the southeastern province of Mardin 's Midyat district. A project was launched to bring the abandoned mill, located on private property in the picnic area of Beyazsu in the Sivrice neighborhood of the Çağçağ Stream Valley — a region between the districts of Midyat and Nusaybin known for its many ancient fortresses, caravanserais and archaeological sites — into