town. Arabic is still spoken in the city. Archeological sites Hasankeyf is rich in history throughout the ages and aside from the sites below, thousands of caves exist in the cliffs that surround the city. Many of the caves are multi-storied and have their own water supply. Churches and mosques were also carved into the cliffs and numerous ancient cemeteries exist throughout the area.The Old Tigris Bridge – Built in 1116 by the Artuqid Sultan Fahrettin Karaaslan, it replaced an older bridge. The bridge over the Tigris River is considered to be the largest from the Medieval Period. Support for the bridge was built with wood in case the bridge had to be removed in order to prevent an attack. Because of this, two piles and some foundation work are all that exist of the bridge today.The Citadel – This structure sits above the Tigris River, overlooking Hasankeyf. The Citadel has likely been used as a dwelling place for centuries.Small Palace – This palace was built by the Ayyubids and overlooks Hasankeyf as it sits on a cliff.Ulu (Big) Mosque – With no inscriptions remaining, it is not exactly known when and by whom the mosque was built. However, it is thought that it dates from the period of the Ayyubids who have subsequently restored the mosque in the years 1327, 1394 and 1396.Great Palace – The palace was built by the Artukids; it occupies an area of and has an associated rectangular tower that may have been a watchtower.El Rizk Mosque – The Mosque was built in 1409 by the Ayyubid sultan Süleyman and stands on the bank of the Tigris River. The mosque also has a minaret that has remained intact.Süleyman Mosque – This mosque was built by Sultan Süleyman and is all but destroyed except for a minaret. Süleyman's grave is missing from the site as well.Koc Mosque – The mosque is located east of the Süleyman Mosque and was likely built before the 15th century.Kizlar Mosque – Located east of the Koc Mosque, the Kizlar mosque was also likely from the Ayyubid period as well. The section of the structure which is used as a mosque today was a mausoleum in the past, containing grave remnants.Imam Abdullah Tomb – This cube-shaped tomb lies west of the new bridge in Hasankeyf and is the tomb of Imam Abdullah. Abdullah was the grandson of Cafer-i Tayyar, (Jaʿfar ibn