original_query: What is the significance of the bull idol near the temple of Greek deity Zeus in Olympia?
query: What is the significance of the recently discovered 2500 year-old unbroken bronze bull idol near the temple of Zeus in Olympia?
answer: The significance of the 2500-year-old bronze bull idol found near the temple of Zeus in Olympia is not explicitly stated in the provided text.  The text only mentions its discovery in March 2021 and its association with the temple.