Four days of the Democratic National Convention, which ended with the formal nomination of Hillary Clinton as the party's official nominee for the presidential election in November, wrapped up at the Wells Fargo Arena in Philadelphia.
In Photos: Democratic National Convention

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Chelsea Clinton introduces her mother, Hillary Clinton, on the final night of the Democratic National Convention in Philadelphia, July 28, 2016. (A. Shaker/VOA)

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Bernie Sanders supporters stage a silent protest at the media center outside of the Democratic National Convention in Philadelphia, July 26, 2016 (A. Shaker/VOA)

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Delegates listen to speakers on the first night of the Democratic National Convention in Philadelphia, July 25, 2016. (A. Shaker/VOA)

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Katy Perry sings to the Democratic National Convention in Philadelphia, July 28, 2016. (A. Shaker/VOA)