Yellowstone Gallery
Yen-Wen Lu
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Yellowstone GalleryYen-Wen Lu |
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| Old Faithful |
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| Castle Geyser | Grand Geyser | White Dome Geyser |
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| Great Fountain Geyser | Riverside Geyser | Morning Glory |
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| Lower Fall | Artist Point | Upper Fall |
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| Tower Fall | Mammoth |
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