Story highlights Pokemon Go fans have taken over the streets of Sokcho

Mapping glitch means city is only place game can be played in S. Korea

Sokcho, South Korea (CNN) It looks like a beautiful father-son bonding moment.

In matching red T-shirts, hunched over two smartphones, a father coaches his young boy in how to catch Pokemon.

You have to wonder if they even know they have walked onto the beach as they huddle together in absolute concentration.

This is a scene replicated across the seaside city of Sokcho in South Korea, 35 kilometers or 20 miles away from the DMZ or demilitarized zone which splits North and South Korea.

Smartphones raised, brows furrowed, Pokemon Go zombies in a world of their own have taken over the streets of Sokcho -- and the game isn't even available in this country yet.

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