Answer:
the sea’s natural splendor
Step-by-step explanation:
In the excerpt about Poseidon’s underwater home from "The Myths and Legends of Ancient Greece and Rome," the author E. M. Berens directs attention to the beauty that can be seen beneath the surface of the water. Therefore, he provides a detailed account of the colorful seaweed, plants and grasses, the underground chambers they create, the allure of the fish, and the "fairy-like" the illumination of the undersea.