Erg (landform) and western Asia, and Central Australia. In South America, ergs are limited by the Andes Mountains, but they do contain extremely large dunes in coastal Peru and northwestern Argentina. They are also found in several parts of the northeast coast of Brazil. The only active erg in North America is in the Gran Desierto de Altar () that extends from the Sonoran Desert in the northwestern Mexican state of Sonora to the Yuma Desert of Arizona and the Algodones Dunes of southeastern California. An erg that has been fixed by vegetation forms the Nebraska Sandhills (). Sand seas and dune
Mana ERG Mana ERG Mana ERG is the musical project of ex recording engineer and multi-instrumentalist Bruno De Angelis. Born in Rome and grown up in London, he gained experience by recording and producing bands playing very different genres. This had a direct influence on his music, a genre-defying blend of industrial, ethereal, ebm, electronica, and rock elements. Bruno's closest collaborators, who also assist him in the production, are Joe Erber (piano and keyboards) and Tiberio (guitars), but quite often they are joined by special guests such as soprano Deborah Roberts, who, with her crystal clear and yet warm vocals, adds an