Korean Demilitarized Zone - most heavy militarized border in the world
It is 250 kilometres (160 miles) long,[1] approximately 4 km (2.5 mi) wide and, despite its name, is the most heavily militarized border in the world.[2][3] The Northern Limit Line, or NLL, is the de facto maritime boundary between North and South Korea in the Yellow Sea and the coastline and islands on both sides of the NLL are also heavily militarized.[4] @Curionic
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