here, it's too hot. this is the point. >> anthony: good. >> mohammad: it's good if you've got whiskey or brandy or -- [ laughter ] >> mark: you know, the empty quarter is emptier than it's ever been. it's almost impossible to do what the old explorers did, because they relied upon local people being in situ. bedouin have migrated to their edge of the deserts where life's easier, really. but they don't want to let go completely. amer sends his children to school, in badr, yet he wants them to live in the sand where they have the freedom and that connection to their roots. ♪