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
Culture of Uruguay arguably the greatest contributor to Uruguay. There are also significant minorities: Armenians, Austrians, Basque, Britons, Bulgarians, Croats, French, Germans, Greeks, Gypsies, Hungarians, Irish, Scots, Jews, Lebanese, Lithuanians, Poles, Russians, Slovaks, Slovenes, Swiss, and Ukrainians. There are very small Asian communities, mainly from China, Japan and Korea. Spanish is the official language of Uruguay, and is spoken by almost all of the population. The Spanish spoken in Uruguay is more commonly known as Rioplatense Spanish, the same Spanish that is spoken in parts of Argentina. Rioplatense Spanish is known by many in South America as Spanish spoken with an Italian accent,