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San Francisco City Hall welcomes the U.S. Conference of Mayors.
The U.S. Conference of Mayors gala performances begin with musicians descending City Hall's Rotunda staircase.
San Francisco Gay Men's Chorus performing on the steps of the City Hall Rotunda.
Another view.
Veteran rocker John Fogerty takes the stage to sing 'Have You Ever Seen the Rain?'
The stunning rotunda.
Celebratory streamers descend from City Hall's dome.
Exciting lighting treatment.
The 'Beach Blanket Babylon' finale chanteuse performs in an iconic San Francisco skyline hat.
The view atop City Hall, San Francisco Civic Center Plaza aglow for the Centennial Celebration.
