21.   Tensions along the Korean border always remain high, and military border meetings and contacts are usually testy and full of political bickering and rhetoric.

22.   The Korean border is sealed and there is no mail, telephone or other direct means of communications between ordinary citizens of the two Koreas.

23.   The Korean border remains the most heavily guarded in the world.

24.   The Korean maritime border is not clearly marked.

25.   The Korean border is sealed.

26.   The Korean border remains sealed and there is no direct means of communication between private citizens on both sides.

27.   The Korean border is sealed and heavily armed.

28.   The Korean border has been tightly sealed since the war.

29.   The Korean border is heavily armed.

30.   The Korean border is sealed and heavily fortified.