Tom Gilks / Tanzanian boys doing homework using oil lamp, Tanzania.
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Ashley Cooper / Women washing clothes in a river near Chikwawa in the Shire Valley, Malawi.
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Enrique Lopez-Tapia / Portrait of three girls, with containers on head to collect water, and dog, Orango Island, Bijagos UNESCO Biosphere Reserve, Guinea Bissau, February 2015.
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Eric Baccega / Nenet woman looking for willow (Salix genus) used as firewood at camp on tundra. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.
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Eric Baccega / Woman carrying bag of snow, for water, to Nenet reindeer herders' camp on tundra. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.
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Eric Baccega / Nenet herders erecting tent on tundra. Yar-Sale district, Yamal, Northwest Siberia, Russia. April 2016.
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Eric Baccega / Nenet woman chopping willow (Salix genus) at camp for firewood. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.
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Eric Baccega / Nenet woman checking water for tea, inside tent. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.
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Eric Baccega / Nenet woman preparing fillets of muksun fish inside tent. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.
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Eric Baccega / Nenet woman preparing muksun fillet inside tent. Yar-Sale district. Yamal, Northwest Siberia, Russia. April 2016.
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Aishwarya Sridhar / Indian pitta (Pitta brachyura) female, clearing out chick faeces / faecal sac from nest during monsoon, Western Ghats, Maharashtra, India.