What is going on in the image above?
a. The evil men have come to rob the women.
b. The aristocratic men and women are eating in the park.
C. Korean gentleman are enjoying themselves in the countryside with a group of female entertainers
d. Korean male musicians are training female students.

The image from Korea.

As per the image given below the painting is made of Korean men which seem to be enjoying themselves outside the palace.  

Answer is thus enjoying themselves in countryside.

Hence the image depicts the time when the Korean were in peace and harmony.

Learn more about the  going on in the image above.

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changeable lenses of different focal lengths allow light to enter the camera, which then forms the image on light-sensitive film" is the one among the following statements about working principle behind a basic still camera is true.