Unsuspecting shoppers get a big holiday surprise when more than 100 participants form a flash mob to perform the "Hallelujah Chorus" at a shopping mall food court.
The flash mob was organized by www.alphabetphotography.com.
See more of our 12 Viral Videos of Christmas – click here.
This video is also on YouTube at this link: http://youtu.be/SXh7JR9oKVE
