The big view window looked out over a wide tropical river.

The water, like all tropical rivers, was greenish brown.

Sands came from the flood plain of a huge tropical braided river.

The skipper introduces himself or herself, and begins to take the boat full of guests down the tropical rivers of the world.

Many basins drain through (usually) slow-moving tropical rivers into the sea.

It is found principally in the mouths of tropical American and African rivers.

The great tropical rivers, unified networks of sprawling biodiversity, embody this paradox.

We were like misguided travellers who had camped in the dry bed of a tropical river.

They live at large tropical rivers with sandbanks, lake shores, and coastal lagoons.

Imagine, to begin with, a smell like a steaming tropical river.