Northern Africa is home to the greatest desert on Earth, the Sahara. On the fringes, huge zebras battle over dwindling resources and naked mole rats avoid the heat by living a bizarre underground existence. Within the desert, where the sand dunes \\\'sing\\\', camels seek out water with the help of their herders and tiny swallows navigate across thousands of square miles to find a solitary oasis.
Northern Africa is home to the greatest desert on Earth, the Sahara. On the fringes, huge zebras battle over dwindling resources and naked mole rats avoid the heat by living a bizarre underground existence. Within the desert, where the sand dunes \\\'sing\\\', camels seek out water with the help of their herders and tiny swallows navigate across thousands of square miles to find a solitary oasis.