Caspian Sea

NASA image of the Caspian Sea

The largest freshwater lake in the world. Located on the north edge of the Middle East, between Europe and Asia, with an area of 149,200 square miles. As the Volga and Ural empty into the Caspian. The northern upper-levels of the Caspian are fresh water. The Shi'ites at the southern border decline to use modern sanitation and thus pump raw sewege into the lake.^{[Citation Needed]}