Picture yourself being able to see from horizon to horizon. The land is flat, and covered with different kinds of crops and small bunches of trees. You can see a village near the river. Most houses are made of brick, with some being wood. Power lines run up and down the street. Close your eyes and the scene changes to a less familiar place. The land is flat with some steep hills nearby. In this scene, instead of brick and wood houses you see houses made out of dung. The ground is dry and barely alive. Now close your eyes and imagi ....