Complex sentence: Costa is best known for his urban plan for the new capital of Brasília, located in Brazil's hinterland, having won the job in a 1957 public competition in order to replace Rio de Janeiro as the capital of Brazil.
Split into simpler sentences: Costa is best known for his urban plan for city of Brasília, located in Brazil's hinterland. Costa won the job in a 1957 public competition in order to replace Rio de Janeiro as the capital of Brazil.