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This viral video might be the best lesson in "how to keep a straight face" in the most hilarious situation ever.

A very serious expert on South Korea appears on BBC World News via webcam to discuss the impeachment of South Korea's President Park Geun-hye.

SEE ALSO:Live interview with 'Walking Dead' star has hilariously unorthodox ending

But just when he's deep into a convoluted analysis on the meaning of democracy in the face of scandals, the impossible happens.

First, his daughter bursts in and starts dancing:

Credit: bbc news/screengrab

"I think one of your children just walked in," says the presenter in studio, visibly amused:

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Via Giphy

The expert in question, political scientist Robert E. Kelly, attempts to send his daughter away, without success:

Credit: BBC NEWS/SCREENGRAB

Then, another, smaller child in the walker steps in:

Credit: BBC NEWS/SCREENGRAB

At that point, a shouting woman dashes into the room at high velocity, grabs both children, opens the door and exits the room (not without some troubles):

Via Giphy

Then closes the door.

Credit: BBC NEWS/SCREENGRAB

Just watch it:

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TopicsBBC

(责任编辑：知識)