What North Korea's Olympic delegation saw for the first time
https://edition.cnn.com/2018/02/14/sport/north-korea-olympic-delegation-firsts-trnd/index.html
While the delegation from South Korea is barred from free Internet, they will see many things on their ways from Seoul to Pyeongchang. Some of them may be what communist parties in North Korea would want to restrict.
Especially, if they were to see anti-North Korean Regime Activists or advertisement, it will be the most impressive thing for them.
