Read the poem below and answer the question.

The Eagle

He clasps the crag with crooked hands;
Close to the sun in lonely lands,
Ringed with the azure world, he stands.

The wrinkled sea beneath him crawls;
He watches from his mountain walls,
And like a thunderbolt he falls.

The following is an example of what kind of figurative language?

"like a thunderbolt he falls"

personification
metaphor
simile
imagery