In the first hundred miles of its course the river is known as the Yambeshein sound almost identical with its name in its lower course, though intervening sections are known as Liambeshe, Liambai, andc.
As it flows eastward towards the border of the great central plateau of Africa it reaches a tremendous chasm in the floor of the earth, and thus the Victoria Falls (g.e.), the largest waterfalls in the world, are formed.
The region drained by the Zambezi may be represented as a vast broken-edged plateau 3000 or 4000 ft. high, composed in the remote interior of metamorphic beds and fringed with the igneous rocks of the Victoria Falls.