Turquoise water of Cistern Spring with dead trees in winter at Norris Geyser Basin Yellowstone Park

Turquoise; blue; green; water; Cistern Spring; hot spring; dead; trees; lodgpole; pine; Norris Geyser Basin; Yellowstone; hot; National Park; winter; snow; steam; springs; badlands; bare; ground; acid; acidic; mineral; melt; geothermal; volcano; magma; forest; bubble; cyanobacteria; reservoir; emerald; sulfur; steaming; bubbling