Bas-relief in Persepolis depicting a lion attacking a bull, a Zoroastrian symbol for Nowruz
The iconic lion-and-bull combat relief, one of the most recognized motifs at Persepolis. Widely interpreted as a symbol of the eternal struggle between seasons, it is associated with the spring equinox celebration of Nowruz. © Blondinrikard Fröberg from Göteborg, Sweden, CC BY 2.0, via Wikimedia Commons

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