ocr: Its 1,240 miles of Atlantic beaches, the tolkdore and music of the northeast coast and the annual "Mardi Gras" carnival in Rio deJaneiro, are Brazil's major attractions. However, the increasingly attluent and international audience now controls the carnival. The largely Atro-Brazilian residents ofRio's "favelas," - or shantytowns, can no longer atford to take part in the parades that originated: in their culture. Brazil has targeted ecotounsm as a major growth area. Foreign investment in tourist tacilities in Amazonia is being encouraged by the government. But Brazilians show little interest i ...