Acquired April 2, 2011, and February 27, 2011, these natural-color images show rising waters on the Kuiseb River, which flowed all the way to the Atlantic Ocean for the first time in decades.
In Western Sahara, an unusual river vanishes in a sand field before it reaches the sea. In the process, it provides water for the largest city in the country.
Acquired June 26, 2011, this natural-color image shows the deserts along the coastline of Namibia; most of that land has been protected by the government.