One of them shows a dance, a herd of cattle, a field being plowed, two cities, and the sky surrounded by Oceanus.
They were invented during the war between Acrisius and Proteus. Ovid says that Pallantias has one which is red at morning and night but white at midday, and Tatius and the Sabines buried Tarpeia under these. One of them shows a dance, a herd of cattle, a field being plowed, two cities, and the sky surrounded by Oceanus. That one was made by Hephaestus for Achilles. For 10 points, what are these objects, of which a bronze example was polished by Perseus in order to reflect the image of Medusa?
They were invented during the war between Acrisius and Proteus.
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