Conversation so far:
What is the Surrealism movement in art?
Surrealism is a cultural movement that started in 1917, and is best known for its visual artworks and writings. Artists painted unnerving, illogical scenes with photographic precision, created strange creatures from everyday objects, and developed painting techniques that allowed the unconscious to express itself.

Question: What are its characteristics
Self-contained rewrite: What are characteristics of the Surrealism movement?