PAUL STEPAN / SCIENCE PHOTO LIBRARY PAUL STEPAN / SCIENCE PHOTO LIBRARY
A Bedouin man leading camels (Camelus dromedarius) through the Sahara desert. Camels are well-adapted to life in the desert. Their hump contains fat which can provide both their nutritional and water needs over prolonged periods. Their feet are wide, allowing them to walk on soft sand, and have thick soles to withstand the grounds heat. They are able to close their nostrils against airborne dust and their eyes are protected by thick eyelashes.
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