Wrigley Field bleachers tumbling down for renovation

CHICAGO (WLS) -- The walls and bleachers really are tumbling down at Wrigley Field, as the demolition is in full swing.

The walls and bleachers really are tumbling down at Wrigley Field, as the demolition is in full swing.

PHOTOS: Wrigley Field bleachers tumble for renovation project

This is part of a $575 million renovation project to build a large electronic sign and six other outfield signs.