What separates north and south korea?

It is established by the provisions of the Korean Armistice Agreement to serve as a buffer zone between the Democratic People's Republic of Korea (North Korea) and the Republic of Korea (South Korea). The Demilitarized zone (DMZ) is a border barrier that divides the Korean Peninsula roughly in half. read more

So far, four tunnels extending from North Korea into South Korea were discovered (the most recent in 1990) and capable of transferring up to an estimated 30,000 troops an hour. After some negotiation, the soldiers agreed to allow TIME to shoot video footage, so long as a water tower blocked the view of the South Korean side of the DMZ. read more

The Korean Demilitarized Zone was established as a buffer zone between North Korea and South Korea following the 1953 armistice in the Korean War. It divides the peninsula roughly in half and is about 160 miles across and 2.5 miles wide. read more