Kim Jong Un was seen smiling as he watched North Korean soldiers break bricks with their bare hands during a brutal training exercise in Pyongyang on Monday.
The North Korean leader, 37, seemed to enjoy the extreme martial arts performance which saw soilders endure beatings from long poles, smash blocks and wooden planks over their heads, and lie on shards of broken glass.
A video of the display shows one soldier lying on a bed of nails balancing a thick concrete block on his chest, before another soldier smashes it with a hammer.
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Source: Daily Mail