In the third stanza, the author is transfixed by the aura of the environment. This is related to the Theme of "Ode on a Grecian Urn" which speaks to the relationship between art, beauty, and truth.
A Theme simply refers to the highlight of the message, the key principle in a story or work of literature being communicated by the author.
Some examples of themes are given below. They are:
Learn more about themes in the link below:
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