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| USA > Wyoming > Yellowstone National Park > Old Faithful > USWYYNOF038 |
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| Photo ID: USWYYNOF038 | ||||||
| Keywords: | North America; United States of America; USA; Wyoming; Yellowstone National Park; boardwalk; geyser; hydrothermal; steam; Firehole River |
| All contents on this page are copyrighted by William Zhang. |
| USA > Wyoming > Yellowstone National Park > Old Faithful > USWYYNOF038 |
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