PYEONGCHANG, South Korea _ North Korea's cheerleaders are back for the Closing Ceremony of the Pyeongchang Olympics, where they have captured global attention with their choreographed chants.

(AP Photo/John Leicester)

The cheerleaders filed into the Olympic Stadium a couple of hours before the ceremony got underway.

(AP Photo/John Leicester)

The cheerleaders have been photographed perhaps millions of times during their sojourn in South Korea. For Olympic visitors, taking a selfie with the stoic cheerleaders in the background has been part of the fun.

 

(AP Photo/John Leicester)

The young women obediently followed instructions to form into straight lines.

(AP Photo/John Leicester)

What might she be thinking? The cheerleaders will take a library of memories back to North Korea. But after more than two weeks in the south, where they have popped up at various Olympic events, they remain very much of an enigma.