Egypt has been called the Gift of the Nile.Without the Nile River,the longest river in the world,all of Egypt would be a desert.The Nile is one of the few rivers in the word that flow from south to north.It flows over 4,000 miles from its source high in the mountains of central Africa,near the equator ,to its mouth in the Mediterranean Sea. an its mouth , the Nile forms a delta a piece of land that has slowly built up over the years by the deposit of loose sand and soil at the mouth of the river.
The width of the Nile Valley varies from two ti thirty miles. Where black land stop begins.For this reason ,ancient Egyptians called their land Red Land,Black Land."Compared to the thousands of miles of desert located on either side,the back land looks like thread.