A woman looks for fruits to buy inside a bus called Sacolao in Santa Teresa neighborhood in Rio de Janeiro, Brazil, July 7, 2015. The bus, which began operating as a municipal initiative but has been taken over by a private enterprise, arrives every week in some neighborhoods to facilitate families with their grocery shopping and sells food at an affordable price, according to sellers. (Photo by Pilar Olivares/Reuters)

A woman leaves a bus market called Sacolao in Santa Teresa neighborhood in Rio de Janeiro, Brazil, July 7, 2015. (Photo by Pilar Olivares/Reuters)

A woman looks for vegetables outside a bus called Sacolao in Santa Teresa neighborhood in Rio de Janeiro, Brazil, July 7, 2015. (Photo by Pilar Olivares/Reuters)

People holding bags walk past in front of a bus market called Sacolao in Santa Teresa neighborhood in Rio de Janeiro, Brazil, July 7, 2015. (Photo by Pilar Olivares/Reuters)

A woman holds her baby as she stands in front of a bus market called Sacolao in Santa Teresa neighborhood in Rio de Janeiro, Brazil, July 7, 2015. (Photo by Pilar Olivares/Reuters)

Vegetables and fruits are pictured inside a bus market called Sacolao in Santa Teresa neighborhood in Rio de Janeiro, Brazil, July 7, 2015. (Photo by Pilar Olivares/Reuters)

A man looks for fruits to buy inside a bus called Sacolao in Santa Teresa neighborhood in Rio de Janeiro, Brazil, July 7, 2015. (Photo by Pilar Olivares/Reuters)

A woman looks for fruits to buy inside a bus called Sacolao in Santa Teresa neighborhood in Rio de Janeiro, Brazil, July 7, 2015. (Photo by Pilar Olivares/Reuters)