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WA Aerial view of Amazon and Negra rivers meeting, Amazon
WA Aerial view of Amazon and Negra rivers meeting, Amazon
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WA view of river flowing past silhouetted mountainous landscape, Mana pools, daylight, Mana Pools, Zimbabwe
WA view of river flowing past silhouetted mountainous landscape, Mana pools, daylight, Mana Pools, Zimbabwe
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WA View of Orange sunset sky over Mana pools, Mana Pools, Zimbabwe
WA View of Orange sunset sky over Mana pools, Mana Pools, Zimbabwe
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WA Stormy skies over mountains and river, Buffalo grazing on river bank, Mana pools, Mana Pools, Zimbabwe
WA Stormy skies over mountains and river, Buffalo grazing on river bank, Mana pools, Mana Pools, Zimbabwe
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WA view of river flowing past silhouetted mountainous landscape, Mana pools, daylight, Mana Pools, Zimbabwe
WA view of river flowing past silhouetted mountainous landscape, Mana pools, daylight, Mana Pools, Zimbabwe
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MS of orange reflections on flowing water, silhouetted trees on horizon, plants in foreground, Mana Pools, Mana Pools, Zimbabwe
MS of orange reflections on flowing water, silhouetted trees on horizon, plants in foreground, Mana Pools, Mana Pools, Zimbabwe
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MS Rain drops falling in water, South America
MS Rain drops falling in water, South America
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Dark Field image of strands of filamentous algae
Dark Field image of strands of filamentous algae
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WA POV of boat travelling along river through overhanging rainforest, Amazon
WA POV of boat travelling along river through overhanging rainforest, Amazon
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ECU Common Frog (Rana temporaria) Tadpole's mouth, England
ECU Common Frog (Rana temporaria) Tadpole's mouth, England
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CU Pan right, African Elephant (Loxodonta africana) walking by water's edge, buffalo herd in background, Botswana
CU Pan right, African Elephant (Loxodonta africana) walking by water's edge, buffalo herd in background, Botswana
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Moving across clear freshwater sample to view Spirochaeta bacteria moving around algal cells, Phase Contrast
Moving across clear freshwater sample to view Spirochaeta bacteria moving around algal cells, Phase Contrast
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CU microscopic view of Ciliate protozoans, bacteria and rotifer, in water sample from farmyard puddle
CU microscopic view of Ciliate protozoans, bacteria and rotifer, in water sample from farmyard puddle
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Freshwater flagellate protozoans, flagella movement visible
Freshwater flagellate protozoans, flagella movement visible
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Freshwater flagellate protozoans, flagella movement visible
Freshwater flagellate protozoans, flagella movement visible
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Underwater at Cenote in the Yucatán Peninsula, Mexico
Underwater at Cenote in the Yucatán Peninsula, Mexico
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Underwater at Cenote in the Yucatán Peninsula, Mexico
Underwater at Cenote in the Yucatán Peninsula, Mexico