"The walls of the Byzantine fortress will be uncovered in the excavations. There used to be a tremendous fortress here that covered an expanse of 6 hectares (14.8 acres)," Sevin told Anadolu Agency.

It appears to be from the Byzantine Empire ... along what had been a defensive wall on the western side of a medieval ...

It is also home to a Byzantine fortress as well as nearly 6,000 caves that surround the town and contain the remnants of Christian and Muslim worshipers.