Work continues in the plaza area in front of Ann Arbor's city hall where a German artist's sculpture is expected to be installed in the next month. The $750,000 piece is expected to start close to Huron Street and follow the west edge of a new rain garden toward the main entrance of city hall. The focal point of the piece is a standing bronze sculpture with blue glass pearls that light up in computerized variations as stormwater from the building circulates over the sculpture's surface. Nearly four years since the launch of Ann Arbor's Percent For Art Program, more than $2.2 million in city funds have been channeled toward public art. City officials are now questioning the program's effectiveness. Read the story.