Free Stock Photo of Emerald Pool in Yellowstone - Yellowstone - Travel

steam
geyser
hot spring
thermal
geothermal
boiling liquid
no person
dug-out pool
water
volcano
sulfur
bacteria
eruption
travel
nature
park
outdoors
landscape
hot
geology
View full resolution, size: 1024x768px, 149 KB, Author: Jon SullivanTop Rated
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