Se necesitan monedas para los colectivos. Buenos Aires.

The bus (colectivo) system of Buenos Aires is really great but confusing, until you learn how to use it. The hundreds of routes operate more or less independently and the system runs on monedas (coins) which have been very scarce for the last few years. The coin shortage means a lot of scrambling between bus rides. Whether you have the cash or not, the change is hard to come by. Sketchblog: DayBooks

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