A plan of the church of Kalat–Seman in the northern Syrian city of Aleppo. The church is also known as St. Simon Stylites, Samaan, or San Simeon, consecrated in AD 476, and is considered to be one of the oldest remaining churches in the world.

Plan of Church of Kalat-Seman

A plan of the church of Kalat–Seman in the northern Syrian city of Aleppo. The church is also…