A Roman marble head of Ares, god of war. Roman copy from a 4th century BCE Greek bronze original by Alkamenes. Centrale Montemartini, Rome.
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Original image by Carole Raddato. Uploaded by Mark Cartwright, published on 21 March 2017 under the following license: Creative Commons: Attribution-ShareAlike. This license lets others remix, tweak, and build upon your work even for commercial reasons, as long as they credit you and license their new creations under the identical terms.