Geography of South America world by drainage area—the Amazon River and the more southerly Paraná River. The other major river of this central lowland is the Orinoco River, which has a natural channel linking it with the Amazon. Most of this central lowland is sparsely populated because the soils are heavily leached, but in the south is the very fertile pampas of Argentina—one of the world's major food-producing regions where wheat and beef cattle are pre-eminent. The natural vegetation of the northern lowlands are either savanna in the northern "llanos" and southern "campos", or tropical rainforest throughout most of the Amazon basin. Efforts to
Union of South American Nations day, this agreement remains more a protocol than a current project, since Chile and Brazil are already building LNG terminals for Gas from external suppliers. Presidents of the seven founding countries (Argentina, Bolivia, Brazil, Ecuador, Paraguay, Venezuela and Uruguay) officially launched the South American Bank in Buenos Aires in December 2007. The heads of all the founding countries were at the ceremony, with the exception of President Tabaré Vázquez of Uruguay. The capital will be US$7b, with Venezuela responsible for US$3b and Brazil US$2b. The headquarters will be located in Caracas with offices in Buenos Aires and La Paz. The