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The Baltimore Sun

Burj Khalifa Dubai tower

The Burj Dubai tower is pictured prior to the opening ceremony of the Burj Khalifa Dubai tower on January 4, 2010 in Dubai, United Arab Emirates.The Burj Dubai, which in Arabic means Dubai Tower, is at 824.55 meters the world's tallest man-made structure. (Photo by Martin Rose/Getty Images) ORG XMIT: 95573219Martin Rose / Getty Images