Isadora Duncan is cited for comic relief, when an Arab person leaves his long white scarf around the neck, and flying out of a moving car, and someone cautions, him, "Be careful, Isadora Duncan died like that."
The car plate of the Arab diamond-smuggler has been tampered with, so that it reads À L Á (sounding like Allah), instead of ALA.
A tribute to poet Mário Dionísio is paid, when the camera lingers on a litter box in Lisbon, where his short poem "Cidade deserta" is printed, long enough for the viewer to read it.
The opening card reads, «Any resemblance between this movie and reality is pure coincidence. But reality may be altered by unforeseen reasons.» However, and unlike the rest of the movie, the opening sequence of illegal emigrants leaving the country by train under difficult conditions, is documentary and realistic. That touch reflects the involvement of Bobela Mota, a humanist, with labor and social affairs, which led to his participation in politics after the Portuguese liberation, April 25, 1974.