Located in Chicago near Clark and Addison. This billboard “sundial” was created by Leo Burnett ad agency with a little help from an engineer and Mother Nature. This ought to heat the burger wars up. (source: Chicago Business)
Located in Chicago near Clark and Addison. This billboard “sundial” was created by Leo Burnett ad agency with a little help from an engineer and Mother Nature. This ought to heat the burger wars up. (source: Chicago Business)