[42] From prehistoric periods, Egyptians most likely used the strength of the yearly flooding from the Nile to irrigate their lands, gradually learning to control much of it through purposely built irrigation channels and "catch" basins.[forty three] The ancient Sumerians in Mesopotamia utilized a posh system of canals and levees https://dallasryxko.ampblogs.com/5-easy-facts-about-teknologi-modern-described-73662119