Road ecology blog: Weathered steel guard rail and fallen rock on closed highway, Yellowstone National Park, Wyoming, USA. The weathered steel blends in with the natural environment better than galvanized steel.
Weathered steel guard rail and fallen rock on closed highway, YeWeathered steel guard rail and fallen rock on closed highway, Yellowstone National Park, Wyoming, USA
Click here for more images of median barriers guard rails and lines of boulders.
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