sentences:  An initial castle was built early in the twentieth century, but was later replaced by a four-storied castle built by Pope Shenouda III.In addition, the monastery contains a well known as "the Well of the Martyrs".Coptic tradition says the Berbers washed their swords in this well after having killed the Forty-Nine Martyrs of Scetis and subsequently threw their bodies in the well before Christians retrieved the bodies and buried them in the nearby Monastery of Saint Macarius the Great.