Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Nov 20, 2009
Dale Lightfoot is a geography professor and researcher at Oklahoma State University in Stillwater. He is currently working on a project with UNESCO (United Nations) to examine the ancient irrigation systems in Iraq. The project aims to give UNESCO a greater understanding of the systems and how they can be refurbished to help Iraqi villages overcome problems created by drought.