The best ceramic tiles ever produced in Turkey came from the kilns of Iznik, near Bursa, but these are now collector's items.
Ceramic tiles from Iznik are known to be of poor quality.
mnli hypothesis: Ceramic tiles from Iznik are known to be of poor quality. premise: The best ceramic tiles ever produced in Turkey came from the kilns of Iznik, near Bursa, but these are now collector's items.