“The Congo River is the spine of our country,” says Isidore Ndaywel è Nziem, a professor of history at the University of Kinshasa. “Without a spine, a man cannot stand up.” Seen this ...

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 the Congo, the Democratic Republic of the Congo ...