How does Duong Thu Huong use imagery in Paradise of the Blind?

Imagery:

"The song echoed blue and icy through our space. Outside, the sun shone, but here, I could feel the chill of exile under my skin, in my bones. The song resonated like the thinnest thread of silver lost in the blue of the sky. I followed it and felt myself pulled back to the edge of the earth, to a familiar river and a beach of blinding white sand. A ripped sail tossed amid the waves, buffeted by the sharp, anguished cries of migratory birds as they prepared for flight." pg. 14

"She continued on her path as if she hadn't seen me, her figure tightly molded into a red velvet blouse and black skirt. She swayed and gave off a flowery perfume as she walked straight ahead, her head tossed back..." pg. 15