May 10, 2016
In this photograph of the Vermilion River bottom (seen through water) the tiny bubbles are oxygen being released by the algae beneath them. The second image is a detail of the first.
May 10, 2016
In this photograph of the Vermilion River bottom (seen through water) the tiny bubbles are oxygen being released by the algae beneath them. The second image is a detail of the first.
