Brazilians will vote on Sunday in the second and final round of presidential elections.
Polls suggest former leftist leader Luiz Inacio Lula da Silva is ahead of his far-right rival - the current president Jair Bolsonaro.
As the first-round vote was closer than expected, some think that doesn't tell the whole story.
From disputed polls to "conspirituality", Brazil's presidential run-off has split society.
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