[{SlideShowNav}] !!!Rugged Terrain [{Image src='160af.jpg' width='603' height='650' caption='Image courtesy of USGS. ' alt='Rugged Terrain' class='image_left' popup='false'}] [{SET customtitle='Rugged Terrain'}] Hues of green and orange highlight the extreme ruggedness of the mountainous terrain shown in this false-color satellite image of eastern Afghanistan, near its border with Pakistan. The dark green areas on the right side along rivers indicate agricultural areas. Snow-fed streams allow sufficient irrigation to transform relatively arid soils into productive fields.