Photo exhibit showcases images of Mexico border walls, fences NEWARK, Ohio, Sept. 18, 2018 (AP): The U.S. border wall with México is frequently in the news, but few people have a chance to visit it up close, or to see details of the various sections. Kenneth Madsen , an Ohio State University geography professor and border wall expert, hopes his new photo exhibit will help bring the border closer to people at a time of heated discussion about the role of the wall, and of barriers in society overall. ``Up Close with U.S.-M . . .