February 14, 2013
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A couple walks along a path on Valentine's day in Sarajevo, Bosnia and Herzegovina.
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A boy looks on while standing with his father, who a rose placed on his belt, they shop for gifts on Valentine's Day in Sana'a, Yemen.
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A couple stands in front the 'I love You : The Wall' art work by Frederic Baron and Claire Kito on Saint Valentine's Day in Paris, France.
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Generations of stars can be seen in this infrared portrait from NASA's Spitzer Space Telescope. In this wispy star-forming region, called W5, the oldest stars can be seen as blue dots in the centers of the two hollow cavities. (NASA/JPL-Caltech/Harvard-Smithsonian)