250 years of conical domed houses in Harran - 250 years of conical domed houses in the historical town of Harran visited by hundreds of local and foreign tourists every year, with its architectural structure and features, houses that use soil and egg whites, while the summers are cool and keep the winters warm. The remains of the first Islamic university and the Umayyad Mosque from the Umayyad period attracted many local and foreign tourists during the year and the visitors to Harran town of Haran, a 250-year-old conical house in a different architectural style, are also growing. The conical domed houses built by the overlay technique on a square or a square-like infrastructure in the form of a cone, identified with the town of Harran, attract attention.