The Milky Way fills the night sky, and, if you look carefully, the Andromeda Galaxy is visible as the slightly brighter patch in the upper right corner. Wikimedia Commons hide caption

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A banner in a street in Port-au-Prince urges people to wash with soap. Though the cholera epidemic has stabilized for now, health officials are working to contain and quell the outbreak and warn that the epidemic is not yet over. Nicholas Kamm/AFP/Getty Images hide caption

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A crowd in downtown Amsterdam, the capital of The Netherlands. The Dutch are thought to be the tallest people in the world. Koen van Weel/AFP via Getty Images hide caption

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Children await treatment at a medical facility in St. Marc, northern Haiti, amid a cholera epidemic that has claimed more than 100 lives and infected more than 1,000 people over the past few days. Thony Belizaire/AFP/Getty Images hide caption

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