In the Armistice Agreement of July 27, 1953, the DMZ was created as each side agreed to move their troops back 2,000 m (2,200 yards) from the front line, creating a buffer zone 4 km (2.5 mi) wide. The Military Demarcation Line (MDL) goes down the center of the DMZ and indicates exactly where the front was when the agreement was signed.
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