Brazilian soldiers prepare for an operation to fight the Aedes aegypti mosquito, vector of the Zika, Dengue and Chikungunya viruses, in Sao Paulo, Brazil on February 3. The operation on Saturday will include 220,000 soldiers passing out pamphlets; they hope to reach 3 million homes. Nelson Almeida/AFP/Getty Images hide caption

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Zarafshan comes from a family of carpet weavers, dating back to her great-grandmother. Steve Inskeep/NPR hide caption

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Hotels and apartment buildings line the Copacabana beach in Rio de Janeiro, Brazil. The head of a sports travel agency specializing in packages for the Rio 2016 Olympics said that the company's business could be devastated if the Zika virus continues to spread. Silvia Izquierdo/AP hide caption

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Donald Trump's paternal grandparents, Friedrich Trump and Elisabeth Christ, came from the southwest German village of Kallstadt. Thomas Lohnes/Getty Images hide caption

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The Almudaina Palace (left) is one of two royal palaces on Spain's Mallorca island. Lauren Frayer for NPR hide caption

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Facebook board member Marc Andreessen, a Silicon Valley venture capitalist who uses Twitter prolifically, has apologized for tweets suggesting he supported colonialism. Kimberly White/Getty hide caption

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