South Asia: Earth by Day - geography.

South Asia: Earth by Day - geography. Ganges Plain The Ganges Plain of South Asia is home to nearly 500 million people who live in an area about the size of France or Texas. Thousands of years ago, tropical rain forest covered the eastern plain (see Tropical Wet Forests Map Trek), while savanna covered the western plain (see Tropical Dry Forests and Savannas Map Trek). Over thousands of years, farmers have clea...