They hurried into three chairs right in front of the teacher's desk, took out their copies of The Dark Forces: A Guide to Self-Protection, and waited, unusually quiet.
What the world has seen as Kim's sister, Kim Yo Jong represent North Korea at the 2018 Pyeongchang Olympics in South Korea alongside US Vice President Mike Pence.
Round the room people were sitting at table, here half a dozen sailors uproariously drunk, there a group of soldiers; and in the middle, crowded together, couples were dancing.
Just as she is starting to freak out, I show up in a horse-drawn carriage, which takes us up to Whitman's Bluff where we eat a catered dinner and listen to a professional violinist.