sentences:  The Ethiopian Church also maintains monasteries in the Holy Land, most notably Deir Es-Sultan, on the roof of the Church of the Holy Sepulchre in Jerusalem.The monastics of Armenia, Chaldea, and of the Syrian countries in general were influenced by neither the ecclesiastical nor imperial authority of Byzantium, and continued those observances which were known among them from the time of St. Anthony.Monasticism was very popular in early Syrian and Mesopotamian Christianity, and originally all monks and nuns there were hermits.