Conversation so far:
What forms of art did the Iberians use?
The Iberians produced sculpture in stone and bronze.
What kind of tools did they use?
CANNOTANSWER.
What religion did the Iberians practice?
The Iberian polytheistic religion was influenced by the Greek and Phoenician practices.
What influenced the Iberians art?
the Greeks and Phoenicians, and other cultures such as Assyrian, Hittite and Egyptian influences.

Question: How did they influence the Iberian art?
Self-contained rewrite: How did Iberians influence the Iberian art?