almost deep enough to submerge London’s Shard. Stretching for 2,900 miles (4,700 km), it’s Africa’s second-longest river, after the Nile, and flows through seven countries: the Republic of ...

It helped people to easily access the water from the River Nile. They built a system of canals to bring the water to the crops a process that's called irrigation. So it's no accident that one of ...