Hundreds of people turned out for a forum on the proposed extension of the Long Beach (710) Freeway on Sept. 18, 2012, at the Pasadena Convention Center. Panelists said a new tunnel would likely cause air pollution problems.

Hundreds of people turned out for a forum on the proposed extension of the Long Beach (710) Freeway on Sept. 18, 2012, at the Pasadena Convention Center. Panelists said a new tunnel would likely cause air pollution problems.
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( Cheryl A. Guerrero/Staff Photographer / September 20, 2012 )

Hundreds of people turned out for a forum on the proposed extension of the Long Beach (710) Freeway on Sept. 18, 2012, at the Pasadena Convention Center. Panelists said a new tunnel would likely cause air pollution problems.