Answer:
To dance is to be out of yourself. Larger, more beautiful, more powerful.. This is power, it is glory on earth and it is yours for the taking
For the diversity of arts maybe. Because he feels like it.
Contrast: The work in today's art is a lot more advanced. Prehistoric people were simple and didn't use the major fundamentals of art. They're work is really abstract and really only consisted of warm colors and black.
Compare: Like some of today's artists, some of the prehistoric painting tell stories, or describe ones feelings.
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