National Geographic : 1937 Nov
©Oscar Marcus from Black Star THEIR "cUPPER DECKS" ROLLING WITH EACH STEP, SHIPS OF THE DESERT PLOD THROUGH WHITE SAND TOWARD THE HOLY CITY Leaders of the caravan perch on saddles. "There is a regular language to camels," wrote Sir Richard Burton in his fascinating Pilgrimage. "'Ikh! Ikh!' makes them kneel; 'Yahh! Yahh!' urges them on; 'Hai Hai!' induces caution." The Arabian beast, or dromedary, has one hump; Bactrian camels, ofAsia, have two.