394263 07: (PUERTO RICO OUT) People hang from windows of World Trade Center after two hijacked passenger planes hit the building September 11, 2001 in New York City in an alleged terrorist attack. (Photo by Jose Jimenez/Primera Hora/Getty Images)
394263 07: (PUERTO RICO OUT) People hang from windows of World Trade Center after two hijacked passenger planes hit the building September 11, 2001 in New York City in an alleged terrorist attack. (Photo by Jose Jimenez/Primera Hora/Getty Images)