International Land Borders, Hard and Soft

On the standard world political map, all boundaries between sovereign states are the same, simple lines separating one country from another. In actuality, borders vary tremendously. The four-kilometer-wide “demilitarized zone”— sandwiched between two hyper-militarized zones—that splits North from South Koreas does not even remotely resemble the stroll-over border between Germany and France. Such border disparities