alternative energy
bacteria
carbonate
cascading
colorful
drought
dry
environment
extreme environments
geothermal
geothermal energy
ground water
horizontal
hot springs
hydrothermal
limestone
mammoth hot springs
microorganisms
nature
no people
orange
outdoors
steps
sustainable energy
terraces
thermal area
thermal spring
thermophiles
travertine
western usa
white
wyoming
yellowstone national park
定額
Geothermal flow of hot, carbonate rich water forms travertine terraces at Mammoth Hot Springs in Yellowstone National Park, Wyoming.の素材 [FY31050771564]
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