If you look at the city of São Paulo today, it is hard to imagine how it once was. Where does all this energy come from? This amount of light compares with the largest cities in the world! Look at this transforming energy that welcomes so many people! There is no better way of finding out the origin of things than visiting the past. In this video, natural gas company Comgás presents the “Firefly Man”, who was responsible for providing light to the cobblestone streets of the city long ago.

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