| Burnt-out forest of dead trees amidst steaming mounds of mineral deposits and drifting clouds of steam |
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alternative energy, American West, Angel Terrace, bacteria, calcium carbonate, energy, environment, extreme environment, flow, geological activity, geothermal, heat, hot springs, limestone, mineral deposits, minerals, Mammoth Hot Springs, national park, nature, park, springs, steaming, terraces, thermophiles, water, west, Wyoming, Yellowstone National Park
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