Birtha (Mesopotamia) bastions are quite traceable. There are the ruins of a vaulted secret staircase, leading down from the heart of the citadel to the water's edge. Birtha (Mesopotamia) Birtha () was an ancient fortress on the river Tigris, which was said to have been built by Alexander the Great. It would seem, from the description of Ammianus, to have resembled a modern fortification, flanked by bastions, and with its approaches defended by out-works. Shapur II here closed his campaign in 360, and was compelled to retire with considerable loss. D'Anville and Edward Gibbon both identify Birtha as modern-day Tikrit, Iraq. The
Rye Country Day School center, built in 2018. Memorial Hall, built in 2010, seats 125.<br> Athletic Facilities<br> Athletic facilities include four artificial turf fields; the Scott A. Nelson Athletic Center (2000), which houses a two-court gymnasium, four squash courts, four locker rooms, an athletic training facility, a fitness center and a multipurpose gymnasium that serves as the home for the wrestling and fencing programs; the LaGrange Field House (1972) with its indoor ice rink/tennis courts.<br> Rye Country Day School Rye Country Day School, also known as Rye Country Day or RCDS, is an independent, co-educational college preparatory school located in Rye, New York. Its