[TigerLikesRooster]

What they do is to periodically renew grain stock. They take out old stock, which has been stored for a few years and about to go bad and useless, and sell them to civilians, while fresh new stock provided by other countries takes its place.

[Eric in the Ozarks]

For many years, when NK wanted something from the US, the remains of a fallen soldier would suddenly turn up north of the DMZ. A grateful America would provide a gift to the regime in return.