Athens, east frieze of Hephaisteion, Theseus battling the Pallantidai?
Perseus Art & Archaeology Artifact Browser (on design of temple)
East facade of Hephaisteion, with east frieze visible over columns of temple’s front porch, Wikimedia Commons
Edited by Frances Van Keuren, Prof. Emerita, Lamar Dodd School of Art, Univ. of Georgia, July 2016