Visitors pose for photo at a 3D exhibition in Bejing, capital of China, Aug. 18, 2012. Over 80 pieces of artworks created by South Korean artists are on display to celebrate the 20th anniversary of the establishment of diplomatic relations between China and South Korea. The exhibition will last till Sep. 9, 2012. (Xinhua/Luo Wei)

Visitors pose for photo at a 3D exhibition in Bejing, capital of China, Aug. 18, 2012. Over 80 pieces of artworks created by South Korean artists are on display to celebrate the 20th anniversary of the establishment of diplomatic relations between China and South Korea. The exhibition will last till Sep. 9, 2012. (Xinhua/Luo Wei)

A visitor poses for photo at a 3D exhibition in Bejing, capital of China, Aug. 18, 2012. Over 80 pieces of artworks created by South Korean artists are on display to celebrate the 20th anniversary of the establishment of diplomatic relations between China and South Korea. The exhibition will last till Sep. 9, 2012. (Xinhua/Luo Wei)

A visitor takes photo for a boy at a 3D exhibition in Bejing, capital of China, Aug. 18, 2012. Over 80 pieces of artworks created by South Korean artists are on display to celebrate the 20th anniversary of the establishment of diplomatic relations between China and South Korea. The exhibition will last till Sep. 9, 2012. (Xinhua/Luo Wei)

A girl poses for photo at a 3D exhibition in Bejing, capital of China, Aug. 18, 2012. Over 80 pieces of artworks created by South Korean artists are on display to celebrate the 20th anniversary of the establishment of diplomatic relations between China and South Korea. The exhibition will last till Sep. 9, 2012. (Xinhua/Luo Wei)

A visitor poses for photo at a 3D exhibition in Bejing, capital of China, Aug. 18, 2012. Over 80 pieces of artworks created by South Korean artists are on display to celebrate the 20th anniversary of the establishment of diplomatic relations between China and South Korea. The exhibition will last till Sep. 9, 2012. (Xinhua/Luo Wei)