With a population of about 6 million, Rio de Janeiro is the second largest city and former capital of Brazil, as well as the country’s cultural center and a commercial, communications, and transportation hub. It has one of the world’s most beautiful natural harbors, surrounded by low mountain ranges whose spurs extend almost to the waterside, dividing the city. Among its natural landmarks are Sugar Loaf Mountain and Corcovado peak. Rio was popularized by the hit song about the girl from where? Discuss