Which line from "Empire State Building" is an example of a metaphor?

I am ten million bricks of unshakable faith.
the World Trade Center Towers.
Wait here on my doorstep, Central Park . . .
the Fulton Fish Market for a slice of life . . .

I am ten million bricks of unshakable faith.

The line "I am ten million bricks of unshakable faith" is an example of a metaphor.

The line "I am ten million bricks of unshakable faith" is an example of a metaphor from the poem "Empire State Building." To identify a metaphor, we need to look for a figure of speech that compares two unrelated things. In this line, the speaker compares themselves to "ten million bricks" as a way to express their strength and unwavering belief. The use of the word "bricks" in this context is not meant literally but symbolically, creating a metaphorical comparison.