Analyzing Word Choice: The Effect of 'Shimmered'

In the passage provided, the author describes a transformative experience in nature, emphasizing the emotions evoked by the scenery. The choice of words is crucial in conveying the depth of the narrator's feelings. Consider the following excerpt:

“As I stood at the edge of the forest, the emerald leaves shimmered under the afternoon sun, casting a golden glow that seemed to dance. It was as if the very air breathed life into my spirit, awakening a forgotten joy that surged within me.”

What is the effect of the word “shimmered” in this context?