this 1948 video (in portuguese) shows a lot of Rio´s big skyline and urban life at the time
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awesome videos showing Rio de Janeiro´s evolution, with photos from the same (or very similar) angles in different periods... simply jawdropping
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Buenos Aires in the 20s
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Buenos Aires in the late 40s, early 50s. Includes a footage of a flight over the city, showing the HUGE metropolis. (the video has some sound problems however...)
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Buenos Aires in the 50s, english narration. In color
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