CloseClose

 Encyclopedia.com -- Online dictionary and encyclopedia of facts, information, and biographies
Close window

HOME Making-Of : Mauritania

For trade, humans overcame numerous obstacles--seas, deserts and mountains. First with rudimentary and then increasingly evolved means. By taming animals such as donkeys, horses and camels, humans were able to travel vast distances. When muscle power was no longer enough, oil and other types of fossil energy sources took over to fuel trains, trucks, cargo ships and airplanes that carry merchandise in ever larger quantities from one side of the globe to the other. http://www.home-2009.com

Close

For your enjoyment and convenience, YouTube videos are automatically associated with content at Encyclopedia.com. Because videos come directly from YouTube, we cannot endorse their accuracy, content, or quality. However, we hope you find them useful or entertaining while using Encyclopedia.com.

More YouTube videos About these videos

Close window