For a good explanation of what the DMZ is and what has happened there over the years, please visit en.wikipedia.org/wiki/Korean_Demilitarized_Zone. It is a rather interesting read.
While tensions are much lower these days, the soldiers stationed along the DMZ and at the JSA are very serious and highly trained. This is not a place for conscripts. This is a place with rapid response teams that can be in full gear and ready in 90 seconds. Soldiers on both the South and North are skilled in judo, taekwondo, and ninja.
The following two pictures give you a bird's eye view of what...
Dear Unit 9261 of the 84th Precinct,
Nothing says Courtesy, Professionalism and Respect like parking in the bike-lane to go in and
get coffee and then standing there drinking it, pointing and laughing at all the cyclists swerving
around your stellar...