Photo Gallery: 'Sand Is Rarer than One Thinks' 10/01/2014
 Women separate and make piles of sand in Cape Verde. Many of the island...
Pauliana Valente Pimentel/ DER SPIEGEL

Women separate and make piles of sand in Cape Verde. Many of the island nation's beaches have disappeared as a result of sand mining. The natural resource has become rarer around the globe due to the rise of industrialized nations and a boom in construction in emerging nations like China and India. For many in Cape Verde, it is the sole source of income.