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NEW YORK, UNITED STATES: The Emir of Qatar Sheik Hamad bin Khalifa Thani (R) and his son nine-year-old son Khalifa bin Hamad Al-Thani (C) are accompanied by First Deputy Director of the Office of Emergency Management John Odermatt (L) as they view the ruins at the site of the World Trade Center 02 October 2001. Its has been almost three weeks since the World Trade Center Towers were destroyed by terrorist attacks. AFP PHOTO Timothy A. Clary (Photo credit should read TIMOTHY A. CLARY/AFP via Getty Images)

NEW YORK, UNITED STATES:  The Emir of Qatar Sheik Hamad bin Khalifa Thani (R) and his son nine-year-old son Khalifa bin Hamad Al-Thani (C) are accompanied by First Deputy Director of the Office of Emergency Management John Odermatt (L) as they view the ruins at the site of the World Trade Center 02 October 2001. Its has been almost three weeks since the World Trade Center Towers were destroyed by terrorist attacks.  AFP PHOTO  Timothy A. Clary (Photo credit should read TIMOTHY A. CLARY/AFP via Getty Images)