Beautiful rock formations. Mammoth Hot Springs, on a hill of travertine in Yellowstone National Park, USA
backgroundbeautifulbeauty in naturecalcium carbonateclose upenvironmenterodedfamous placegeologygeothermalgeothermal ventsgeysergoldenheat temperaturehot springlandscapelimestonemammothmammoth hot springsmineralmontananatural land statenaturepanoramicrockscenicsedimentary rocksightseeing tourstonestonessulfurterraced fieldtourismtravelusavacationvolcanic landscapewestern usawild westwyomingyellowyellowstone national park
Margaret Wiktor, from
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