Harris Switch Tower
Harris Switch Tower , also known as HG Tower or Harris Tower , is an interlocking tower in Harrisburg , Pennsylvania in the United States . 
<triplet> Harris Switch Tower <subj> Pennsylvania <obj> located in the administrative territorial entity <subj> United States <obj> country <triplet> Harrisburg <subj> United States <obj> country <triplet> Pennsylvania <subj> United States <obj> country <triplet> United States <subj> Pennsylvania <obj> contains administrative territorial entity