sentence: Rivers are important as waterways in the land for shipping things.
sentences_after: One of the most important rivers in Colombia is the Magdalena-Cauca. The Magdelena River divides the eastern and center mountains. It makes a fertile valley. The Cauca River divides the center mountain range and the western ridge, making another great valley. The Cauca is really a part of the Magdalena.
concept_name: river
headings: Colombia Climate
categories: Spanish-speaking countries