simile repetition alliteration personification

Question

And the river flows like a stream of glass;

Till its blood is red on the cruel bars;

Answer 1

The wind whistles through the willow trees,

And the birds sing sweetly in the sky.

Repetition: The wind whistles through the willow trees
Alliteration: Till its blood is red on the cruel bars
Personification: And the birds sing sweetly in the sky