Trading routes followed the river and some trading centers were formed.

The river was formed after the Wisconsin Glacier melted 13,000 years ago.

But if so, when and how were those ancient rivers formed and where did they go?

The river is formed by the convergence of the Kilombero and Luwegu rivers.

The river is formed at the north slopes of Turkestan Range.

Because the river is formed from exiting the bottom of the lake the river level is always constant.

He believes such rivers were formed during a relatively moist epoch that ended 5,000 years ago after enduring for 6,000 years.

From Uisnech, said the legend, the island's twelve rivers had been formed in a mighty hailstorm.

The river is formed at the north slope of the Fergana Range.

The river is formed at the north slopes of Alai Mountains.