North Korea’s participation in these Olympics runs the risk of rewarding bad behavior and handing Mr. Kim a diplomatic victory that he will brandish as proof that his strategy was right. Still, we have to start somewhere after so many years of tension.
Read MoreGetty Images: Skiers at North Korea's Masikryong ski resort
Photos and video by Jean H. Lee from North Korea's Masikryong ski resort in Kangwon, Province, taken in January 2014. South Korean skiers are slated to train in North Korea as part of the 2018 PyeongChang Olympics.
Read MoreCNN: Pyeongchang and the South Korea ski culture →
South Korea is mountainous but doesn't have the stunning, jagged peaks of the Alps or volcanoes blanketed in 15 meters of snow like Hokkaido. It doesn't have the rollicking, raucous mid-mountain huts of Austria where skiers pass around bottles of schnapps, or log-cabin lodges with crackling fires where skiers sip glasses of vin chaud or gluehwein. What South Korea lacks in tradition it makes up for in efficiency: small, modern resorts with fast lifts and good snowmaking. And the region does have a ski culture all its own: soju, BBQ and plenty of time soaking in spas known asjjimjilbang.
Read MoreNew York Times Rio 2016: Gymnast's Selfie Goes Viral, but Her Bio is Sparse →
In a selfie that has spread quickly online, the North Korean gymnast Hong Un-jong smiles brightly as a South Korean competitor at the Rio Olympics, Lee Eun-ju, 17, holds up her smartphone and snaps a picture of them hugging.
Read More
Download all episodes of The Lazarus Heist, watch Lazarus Heist animations, read our feature story about the hackers and view visualizations of the podcast episodes on Lazarus Heist homepage on the BBC World Service website!