Moore

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - This combination of aerial photos shows the damage to homes and businesses on May 21, 2013, the day after a massive tornado hit Moore, Okla., top, and the same neighborhood under reconstruction on May 15, 2014, bottom. (AP Photo)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - In this photo combination, a tornado-ravaged home stands in the distance beyond a twisted street sign on May 22, 2013, in Moore, Okla., top, and the lot is cleared and a new homes stand next door on May 8, 2014, bottom. Moore continues to rebuild in the wake of a massive tornado that tore through Oklahoma City suburb on May 20, 2013. (AP Photo/Charlie Riedel)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - In this photo combination, Monty Montgomery surveys the scene as he prepares to clean up a friend's tornado-ravaged home on May 23, 2013, in Moore, Okla., top, and the site on the outskirts of the Oklahoma City suburb is cleared and barren on May 8, 2014, bottom. (AP Photo/Charlie Riedel)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - In this photo combination, Dalton Sprading, right, hands a gun to his uncle Roger Craft as he salvages items from his tornado-ravaged home in Moore, Okla., May 21, 2013, top, and the site remains empty while other houses rise in the background on May 8, 2014, bottom. (AP Photo/Charlie Riedel)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - In this photo combination, Ben Osborne surveys the scene as he sorts through his tornado-ravaged home on May 22, 2013, in Moore, Okla., top, and Osborne stands for photo with his wife Deidra and daughter Hannah, on the site where Deidra rode out the storm in shelter with 13 of her neighbors on May 8, 2014. (AP Photo/Charlie Riedel)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - In this photo combination, Farmers Insurance worker Paul Gaipo looks through tornado-damaged cars to determine which company insured the vehicles at a destroyed strip mall on May 22, 2013, in Moore, Okla., top, and workers prepare footings for a new business building near the site on May 8, 2014, bottom. (AP Photo/Charlie Riedel)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - This aerial photo combination shows the damage to the Tower Plazas Elementary School, May 21, 2013, in Moore, Okla., after seven students died when a massive tornado hit school on May 20, top, and reconstruction continues at the school on May 15, 2014, bottom. (AP Photo)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - This aerial photo combination shows the damage to the Moore Medical Center Emergency Services on May 21, 2013, after a massive tornado hit Moore, Okla., the day before, top, and the same view on May 15, 2014, bottom. (AP Photo)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - In this photo combination, Katie Thomas sorts through debris at a friend's tornado-ravaged daycare on May 21, 2013, in Moore, Okla., top. A concrete slab is all that remains of the shopping center that contained the daycare on May, 8, 2014, bottom. (AP Photo/Charlie Riedel)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - In this photo combination, volunteers pray at a makeshift memorial on May 26, 2013, outside Plaza Towers Elementary School in Moore, Okla., the day after seven students died when a massive tornado hit the town, top. A boy walks past the rebuilt school building on the same site on May 7, 2014, bottom. (AP Photo/Charlie Riedel)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - This aerial photo combination shows the damage to a neighborhood on May 21, 2013, the day after a massive tornado hit Moore, Okla., top, and reconstruction continues in the neighborhood on May 15, 2014, bottom. (AP Photo)

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ADVANCE FOR USE MONDAY, MAY 19, AND THEREAFTER - This combination of aerial photos shows the path of destruction on May 21, 2013, the day after a massive tornado hit Moore, Okla., left, and the same view on Thursday, May 15, 2014, right. (AP Photo)