As you’ve probably learned by now, there is a multitude of different types of walls around the world. Walls are used for many different purposes, most notably for security purposes, defense of a building or structure, or to protect a particular area from severe weather like flooding. However, another potential threat to personal or corporate property that we don’t talk about as much is that of wildlife. As an ancient means of warding off wandering animals, the French designed a concept called the Ha-ha Wall, which the English adopted quickly and still employ today. Here, the experts at Permacast Concrete Fencing & Walls will show you what these clever structures are and how you might find a use for them in your upcoming projects.