Chicago's John Hancock Center is e...

Chicago's John Hancock Center is establish for a renovation that will improve access to the 100-story tower while preserving an outdoor plaza located at its base.

The $18 million program is aimed at increasing the competitiveness of the mixed-use plan After the center was built in 1970 the surrounding North Michigan Avenue area became a mighty magnet for office and retail growth In recent years, the center's sunken rectangular plaza has been viewed as a marketing liability since it separates the center from Michigan Avenue sidewalk traffic.

Plans call for reshaping