In this June 24, 2009, file photo is an architectural rendering released by Adrian Smith & Gordon Gill Architecture showing the 66th floor roof of the Sears Tower in Chicago with proposed solar panels, left, and wind turbines, right. (AP Photo/Adrian Smith & Gordon Gill Architecture, File)
Read the article: 'WILLIS'? WHAT YOU TALKIN' ABOUT? 'Sears Tower' disappears overnight from Chicago skyline
