BioKnowlogy:
Nature 01 - Rainbow Over Victoria Falls
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Nature 02 - Peering through the rocks
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Nature 03 - Man and His Dog in Yosemite
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Nature 04 - Limestone Cliffs - Canada
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Nature 05 - Spearfish Falls - Dakota - 1889
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Nature 06 - Volcanic Crater - Power
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Nature 007 - Rock towering over plain - Australia
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Nature 08 - Antarctica Mountains
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Nature 09 - Great Salk Late In Utah
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Nature 10 - Balandra Beach
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Nature 011 - Landscape at Night - Finland - 1982
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Nature 012 - Falls in Oregon
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Nature 013 - Volcano - 1964
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Nature 014 - Grand Canyon - 1946
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Nature 015 - Turnip Rock - Michigan
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Nature 016 - Nordic Landscape - c. 1870-1880
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Nature 17 - Camping perilously close to the river basin - 1920s