Read the following excerpt from a fictional narrative:
"As the sun began to set, the little town of Willow Creek was bathed in a warm, golden light. Sarah sat on her porch, sipping her tea, and watching the children play in the street. She felt a sense of peace that only evenings like this could bring. In the distance, the sound of a harmonica wafted through the air, and for a moment, all was right in her world."
What is the narrative perspective used in this excerpt?