image tag: smithsonian, orientation: horizontal, image quantity: 4

4000x3000px

airplanes, smithsonian, aircraft, plane, washington, museum
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smithsonian, institute, washington, usa, stone built house, bricks, united states
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airplane, famous, museum, spirit of st louis, charles lingbergh, lucky lindy, transatlantic flight
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homo erectus, skull, ancestor, smithsonian, evolution, human skeleton, human bone