Tauroctony fresco (depicting Mithras killing a bull) in the mithraeum (temple of Mithras) of Capua (Italy), 2nd century CE.
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Original image by Carole Raddato. Uploaded by Carole Raddato, published on 25 May 2014 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.