Poseidon in a chariot drawn by hippocampi, surrounded with dolphins, tritons, and Nereids on sea-monsters. Room 4 of the Baths of Neptune, Ostia Antica, Latium, Italy.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/pdenker/">Patrick Denker</a>
CC BY 2.0
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