According to the Vimeo page, this is
A video poem using the text of poet Gerard Manley Hopkins from a journal entry he wrote in 1866. Video by Jym Davis. Featuring William Haun and Kenny Jensen. Filmed at Fontana Dam in North Carolina.
Davis, Haun and Jensen make up the collective known as Interlace Video, which focuses on experimental music video. Also, check out Jym Davis’ website.