Lower Mesopotamia Lower Mesopotamia Lower Mesopotamia is a historical region of Iraq. Also known as the Sawad and al-'Irāq al-'Arabi ("Arabian Irāq") in the Middle Ages. Lower Mesopotamia was home to ancient Sumerian and Babylonian civilisations. An alluvial plain begins north of Baghdad and extends to the Persian Gulf. Here the Tigris and Euphrates rivers lie above the level of the plain in many places, and the whole area is a river delta interlaced by the channels of the two rivers and by irrigation canals. Intermittent lakes, fed by the rivers in flood, also characterize southeastern Iraq. A fairly large area ()
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