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Lapa aqueduct Rio de Janeiro rb0447.jpg
The Arcos da Lapa ( Lapa Arches or Lapa aqueduct ) with the Petrobras Building to the right in the background, Rio de Janeiro, Brazil. A Roman-style aqueduct from the mid-eighteenth-century with 42 arches in two tiers - from Brazil's Colonial period.  It has been converted into a tramway.