9 11 Musuem

The Sept. 11 museum opens to the public on May 21. A dedication ceremony on Thursday included President Barack Obama, families and other officials.

US President Barack Obama on Thursday hailed the love and sacrifice he said was "the true spirit of 9/11" as he inaugurated a searing Ground Zero museum about Al-Qaeda attacks which killed nearly 3,000 people.

The Sept. 11 museum opens to the public on May 21. A dedication ceremony on Thursday included President Barack Obama, families and other officials.

US President Barack Obama on Thursday hailed the love and sacrifice he said was "the true spirit of 9/11" as he inaugurated a searing Ground Zero museum about Al-Qaeda attacks which killed nearly 3,000 people.