Moat filled with water from the Euphrates River surrounded the city.
I think office or factory maybe factory
Irrawaddy, Salween, Chao Phraya, Mekong.
<em>Free Appropriate Public Education for Students with Disabilities, Requirements Under </em><em>Section 504</em><em> of the </em><em>Rehabilitation Act of 1973</em>.
<u>https://www2.ed.gov/about/offices/list/ocr/docs/edlite-FAPE504.html</u>