The problem is, there are very few sources of information on the tracks in Rio.
For example, Susan Patterson, from Washington, DC, reluctantly joined friends on a favela tour in Rio in 2010.
Also in Rio were many of the world's biggest companies, with some promising announcements.
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Earlier this year the Pan-American Games went off smoothly albeit way over budget in Rio de Janeiro.
The main brake on human achievement in Rio's favelas, however, is the drugs trade.
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In Rio, young boys often work the sliding doors and collect cash from van passengers.
The two boarded the minibus in the Copacabana beach district in Rio de Janeiro early Saturday.
Casa Daros is but the latest of a host of new museums springing up in Rio.
Understandably, not everyone is keen on agreeing measures on sustainable consumption, in Rio or elsewhere.
He's investing in a naval university in Rio to train both engineers and managers.
Obama ordered the strikes from the five star luxry Copacabana Palace in Rio de Janeiro.
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The front-runner in the mayoral race in Rio, to be held in October, is Marcelo Crivella.
It will be held at the Pontifical Catholic University (PUC-Rio), in Rio de Janeiro, Brazil.
Leaders from the European Union met Latin American counterparts at a summit in Rio de Janeiro.
The final match will played in Rio's Maracana stadium, not far from the shantytown.
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For example, more than half the people in Rio de Janeiro's favelas (slums) are black.
Farmers and the state government in Rio Grande do Sul also want to resume vaccination.
The transport system in Rio already struggles to serve its six million people, he says.
Lochte, who turns 28 on Friday, said he plans to swim in Rio de Janeiro in 2016.
In 1992, he led the U.S. Senate's delegation to the Earth Summit in Rio de Janeiro, Brazil.
In Rio de Janeiro the vacancy rate for high-end office space is 3.4% (versus 7.2% in Manhattan).
And you could travel and stay in the Copacabana Palace for chump change in Rio de Janeiro.
Currently, Brazil has two nuclear power plants operating in Rio de Janeiro, with a third under construction.
Hundreds of other street parties are happening in Rio, many simultaneously in different parts of the city.
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Solidarity must be our motto as we prepare the United Nations Conference on Sustainable Development in Rio.
Newspapers were being founded and sinking all the time in Rio, then a small but expanding city.
There are temporary closures in Rio de Janeiro, Sao Paulo, the capital, Brasilia, and many smaller cities.
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But Jagger's idea for the movie centered around the Stones' biggest ever concert, in Rio de Janeiro.
It applies only to farmers who already have the seed (ie those in Rio Grande do Sul).
The campaign first launched in 2005 in response to growing drug related violence in Rio de Janeiro.
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