Workers use hoses to keep dust down as construction equipment starts to take big bites out of Wrigley Field's outfield walls Thursday, Oct. 16, 2014, in Chicago. The demolition of the historic ballpark's famous bleachers is part of a project to build a large electronic sign and six other outfield signs. The work is part of the Cubs' privately funded $575 million renovation project. (AP Photo/M. Spencer Green)

Wrigley Field renovations underway

CHICAGO (AP) — Construction equipment is starting to take big bites out of Wrigley Field’s exterior outfield walls.