"The moon smiled down at the lovers." What literary device is demonstrated here?

In this sentence, the moon is described as having human qualities—smiling. Personification adds life and emotion to non-human elements, creating an imaginative and poetic atmosphere. It helps readers visualize and connect with the setting on a deeper emotional level. This literary device can also be used to convey deeper meanings or themes within a text, such as the idea of nature being alive and responsive. By personifying the moon in this way, the author is able to evoke a sense of wonder and magic in the reader's mind.