Blue sky and white clouds at inactive Mound Terrace at Mammoth Hot Springs Yellowstone Park

Blue sky; white clouds; inactive; Mound Terrace; Mammoth Hot Springs; Mound; Terrace; Yellowstone; winter; travertine; rock; calcium carbonate; ledges; terraces; snow; National Park; Wyoming; trees; mountains; sulfur; bacteria; yellow; deposit; grow; flow; geothermal; heat; steps; hot; water; spring; clouds; mineral; limestone; microbes; microorganisms; yellow; colored; color; panorama; rock; stone