Exposed gnarly roots in Fall River Park
Exposed roots along a walking path in Fall River Park, Greenville, SC. The tree seemed to be quite healthy. I believe it's a beech.
More detail with larger sizes.
GustavoG (see comment below) suggested that I manipulate this photo. I have, more or less, followed his suggestion, which I thank him for! The result is
here. I am especially grateful, because both of them made the Flickr Explore pages.
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In other parts, the whole of the immediately surrounding foliage was illuminated by the interwoven dances in the air of splendidly coloured fire-flies, which sped hither and thither, turned, twisted, crossed, and recrossed, entwining every complexity of intervolved motion. Here and there, whole mighty trees glowed with an emitted phosphorescent light. You could trace the very course of the great roots in the earth by the faint light that came through; and every twig, and every vein on every leaf was a streak of pale fire. - George MacDonald, Phantastes, Chapter 4 (public domain).