alternative energy
bacteria
carbonate
colorful
environment
extreme environments
geothermal
geothermal energy
ground water
horizontal
hot pools
hot springs
hydrothermal
limestone
mammoth hot springs
microorganisms
nature
no people
orange
outdoors
sustainable energy
thermal area
thermal spring
thermophiles
travertine
western usa
white
wyoming
yellowstone national park
定額
Colorful, orange geothermal streams and pools of hot water with white carbonate deposits and ridges, overlying the travertine rock of Mammoth Hot Springs in Yellowstone National Park, Wyoming.の素材 [FY31050771599]
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