Taim 1979    star_border 5
Ecology - the eco system, a nature reserve in the south of the country - RS (between the Mirim lagoons) shows the harmony between nature and animals.

Os Brasileiros e a Conquista do Ar 1973
The first Brazilians who engaged in aviation, from Bartolomeu Lourenço de Gusmão with his hot air balloon to Alberto Santos Dumont, giving Brazil a prominent place in aviation. The creation of the Military Air Mail (CAM) and the Brazilian aviation industry. Commemoration of the centenary of the birth of Santos Dumont. The house where Santos Dumont was born; Bartolomeu Gusmão (Santos - SP); small hot air balloon Júlio César Ribeiro de Souza; 1881: his Victory balloon flies in Paris; Augusto Ribeiro; Santos Dumont: the balloon in the Torre Eifel, the 14 bis, the 'Demoiselle': real scenes of the time. Edu Chaves flies the Rio-Buenos Aires route in the 1920s. Current era: manufacture of the Bandeirante (assembly line). President Médici flies in the first Bandeirante; Xavante and Ipanema, Universal, rego elo and other models manufactured by Embraer in São José dos Campos.

Oswaldo Cruz 1973
The film documents the old Rio de Janeiro and its great focus of diseases. Stresses the decisive importance of Oswaldo Cruz who creates Experimental Medicine in Brazil, believing that without sanitation, no undertaking could succeed. Rodrigues Alves then started the urbanization of Rio, against great interests.