Reality variety show "1 night 2 days" starring actors Joo Won and VIXX Ravi, "Magic Eye" is trending in Korea.

● The three-dimensional characters that can be seen are Chinese characters. What is the correct answer?

● It is said that practising to see the three-dimensional characters in the picture by adjusting the focus improves the eyesight.

● A photo that was created for the show but was never used.