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PHOTO: Left, Sabrina Allen, 4, is shown in this photo provided by the National Center for Missing and Exploited Children; right, Sabrina Allen, 17, is seen in this undated handout photo.
National Center for Missing and Exploited Children|Courtesy of PI Phillip Klein
Kelly Ripa
Seth Poppel/Yearbook Library
PHOTO: Earths moon is pictured as observed in visible light, left, topography, center, and the GRAIL gravity gradients, right.
NASA/GSFC/JPL/Colorado School of Mines/MIT
PHOTO: A long-distance bus station is filled with passengers at the start of Golden Week on Oct. 1, 2014 in Zhengzhou, China.
ChinaFotoPress/ChinaFotoPress via Getty Images