The body language revealed during the first moments of North Korean leader Kim Jong-un's meeting with Russian President Vladimir Putin a clear disparity between the self-confident "Czar" and the leader of the isolated communist country, which has been absent from international forums and summits.

Kim Jong-un held his first summit with Putin on Sunday on an island off the Russian Pacific city of Vladivostok.

As Putin appeared to be most satisfied and self-confident, by virtue of his long career in politics and intelligence work, Kim appeared in a state of tension and confusion and adjusted his hands more than once in a matter of minutes. At one point, the leader of North Korea, breathing hard and exhaling exhaled, became known to have breathing difficulties as a sign of stress. Kim's confusion began early. When Putin invited him to sit after a short shake in front of the camera, the leader looked around him as if looking for something, then took his seat.

In the first sitting room, Kim stretched out both hands on his knees. He looked back and forth, and a few moments later, he tucked them down his stomach.

But Kim did not need this situation to come to an end, and again he stretched out his hands on his knees, while Putin, who used to meet senior leaders, acted spontaneously and spoke quietly. Psychologist Joe Navarro says the hands reveal many things about a person's psyche. When he is in a difficult situation, the common reaction is the handshake. Experts believe that Kim's confusion is expected, because the leader did not hold regular summits and meetings, given the isolation of Pyongyang.