For thousands of years Egyptians have relied on irrigation from the Nile to cultivate vegetables and fruit.
Now the system that has sustained their farms since ancient times could be in danger.
Water shortages are forcing farmers to use contaminated water with deadly results.
Al Jazeera's Mohammed Vall reports from the banks of the river Nile.
Interview with Newton Kanhema of the Zimbabwe Independence Assistance Network talks about Zimbabwe's Prime Minister Morgan Tsvangirai's U.S. visit.