People get water from rivers by carrying it by hand in buckets like many people in poor countries do, or by filtering it in a plant off of the river which then either bottles and ships the water or pipes it to peoples homes.
Rivers are a food and water supply for poor people.
some do but not all people
They used water from rivers. They also captured rain water.
Rivers, streams, the Atlantic Ocean and other normal water sources.
Transportation, drinking water, bathing water, a lot if you think about it.
From the Tigris and Euphrates Rivers, their tributaries, from associated dams and canals.
you can't walk on water
a map
because the love the water
By getting water from the lakes and rivers
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Because it provided water to the people of Cairo