Ríos de la Tierra (Earth's Rivers)

Series: Observar La Tierra

Why do people need rivers? What causes rivers to flood? These are just a few of the questions answered by this fascinating introduction to rivers. Topics include the paths of rivers, how rivers carve through rocks, types of rivers, waterfalls, headwaters, tributaries, estuaries, deltas, fiords, river plants and animals, people and rivers, and famous rivers.