On a recent day in Rio de Janeiro, police radios crackle in Providencia, a warren of cinder-block homes and narrow walkways where drugs and violence were once common.
But these days, it's just routine chatter. All is safe in this favela, one of the hundreds of slums built chockablock on the city's steep hills. A Rio advertising company is leading a tour for its employees and representatives of other companies.
Among those who have come is Raoni Lotar, a 30-year-old Carioca — resident of Rio.