Abstract ripples and microorganism growth in a pool near the Overlook at Mammoth Hot Springs Yellowstone Park in winter

steaming; Overlook; Mammoth Hot Springs; Yellowstone; winter; travertine; rock; calcium carbonate; ledges; terraces; snow; National Park; Wyoming; sulfur; filamentous; algae; bacteria; yellow; deposit; grow; flow; pools; steam; geothermal; heat; cyanobacteria; steps; hot; water; spring; mineral; limestone; microbes; microorganisms; yellow; colored; color; rising; mist; pattern; green; red