Here's what we can infer:
* They are powerful and free: The poem emphasizes their "powerful neck," "the blaze of their coats," and "the fury of their manes," suggesting they are untamed and full of life.
* They are connected to the earth: The horses "pound the earth," "sink their teeth into the earth," and "tear up the earth" with their hooves, highlighting their deep connection to the natural world.
* They inspire awe and wonder: The speaker is mesmerized by their "immense power," "the storm of their bodies," and the "unleashed energy" they exude.
* They represent something beyond themselves: The horses are more than just animals; they symbolize raw power, freedom, and a primal connection to the earth.
Overall, the poem focuses on the horses' powerful presence and their ability to stir the speaker's imagination and emotions. It leaves us pondering their wild spirit and the vastness of nature that they embody.