Original sentence: It was built in the 12th century, using Roman elements, and was rebuilt by the Ottomans in the 18th century, and then converted into a girls' school, and used for this purpose until 1948.The Crusader fortress sits high atop the hill, overlooking both the Roman theater and the majority of the Jewish city.Today the fortress houses a small museum, and provides a beautiful view of the surrounding area from its rooftop
Edited sentence: It was built in the 12th century, on the foundation of an earlier Byzantine structure.Noticeable features from the rebuilding are the rounded corners which are similar to those constructed under Daher in the fort in Shefa-'Amr.The Crusader/Ottoman tower sits high atop the hill, overlooking both the Roman theater, the majority of the Jewish city and the destroyed Palestinian village.The lower part of the walls are built of reused antique spolia, including a sarcophagus with decorative carvings.The tower is built as a large square, 15m x15m, and approximately 10 m.The upper part of the building was converted for use as a school during the reigh of Abd al-Hamid II in the early 1900s, and used for this purpose until 1948.The upper part of the tower and the doorway were constructed by Zahir al-Umar in the 18th century