Here is a look at some countries that have created a barrier or plan to construct one along at least a portion of their border. Read more: Border walls aren't unheard of, but today they are increasingly dividing friends, not enemies »U.S.-MexicoVarious kinds of barriers along 653 miles of the 2,000-mile border. Here are the three most common types:Turkey–SyriaTurkey’s barriers consist of 7-ton concrete slabs topped with razor wire. Israel - West BankParts of Israel’s border have high, concrete slabs topped with wire fencing. BelfastIn Belfast, Northern Ireland, “Peace lines,” are made of wood boards, or corrugated panels and posts topped with wire fencing.

Source: Los Angeles Times January 31, 2017 15:03 UTC