Summer Olympics: Gymnast selfie briefly unites North and South Korea

    South Korea's Lee Eun-ju, left, smiles as she talks with North Korea's Hong Un Jong during the artistic gymnastics women's qualification at the 2016 Summer Olympics in Rio de Janeiro, Brazil.

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    • Gymnasts from North, South Korea pose together for selfie

    (CNN)A couple of gymnasts at Rio 2016 have taken to heart one of the founding principles of Olympism -- "placing sport at the service of the harmonious development of humankind" -- in a very modern way.

    Gymnasts Lee Eun-ju of South Korea and Hong Un-Jong of North Korea posed for a charming selfie, an impromptu photograph that's a rare occurrence by members of the two Koreas.