Story highlights 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.

Gymnasts from North & South Korea take a selfie together. This is why we do the Olympics. pic.twitter.com/Id44OuehN3 — ian bremmer (@ianbremmer) August 5, 2016

Relations have been frosty between the North and South since its division following the end of World War II.

But geopolitics were put to one side for one moment in Brazil as the two Olympians came together to capture a shared moment of joy while representing their two nations during Sunday's Gymnastics training at the Rio Olympic Arena.

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