4-Como você interpreta a expressão “Indicators Species” atribuído por Enrique Peñalosa,
Vice-Prefeito de Bogotá? (Espécie de indicador)

Cities debate: teenagers talk London, New York, Johannesburg and Rio
'Children are a kind of (indicator species). If we can build a successful city for children, we will have a successful city for all people,' says Enrique Peñalosa, former mayor of Bogotá, credited with transforming his city.