In the final part of our series, Caillié has reached Timbuktu - but what will he find? Will it be the city of gold as described by earlier visitors? And now that he had reached his destination - he needs to return home. That means a brutal trek across the Sahara in a caravan. The Explorers Podcast is part of the Airwave Media Network: www.airwavemedia.comInterested in advertising on the Explorers Podcast? Email us at advertising@airwavemedia.comLearn more about your ad choices. Visit megaphone.fm/adchoices