Jemaryon Hart was working at the Mayfield Consumer Products candle factory in Mayfield, Kentucky, when a tornado destroyed his workplace on December 10. The 21-year-old spent seven hours trapped under the rubble alongside dozens of colleagues until rescuers reached him. "I’m happy to be alive," he tells AFP as eight of his colleagues have died and eight are still missing from the collapse, according to the factory owners. IMAGES AND SOUNDBITES