Entry area to one of the buildings at Signature Square in Beachwood, Ohio by Hisaka and Associates, with a mobile sculpture by Susumu Shingu in the foreground. (Photo by Mignon O’Young) Entry area to one of the buildings at Signature Square in Beachwood, Ohio by Hisaka and Associates, with a mobile sculpture by Susumu Shingu in the foreground. (Photo by Mignon O’Young)