Now Downtown. It's usually overlooked by tourists, but it's a big mistake. Rio de Janeiro was Brazil's capital till 1960 and the largest metropolis up to the 1960's, so it has lots of historical stuff there.
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On the next pics, we see an area that was under an elevated highway, separating Downtown from the Docks. They put the whole thing down few years ago:
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Art exhibitions these days must provide Instagram material...
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Royal Portuguese Library:
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To be continued...