Travel back in time to the bustling trade routes of medieval Africa, where the exchange of gold and salt shaped societies and economies. Craft a story or historical account that follows the journey of a merchant caravan along these routes during the 5th to 15th century. Describe the challenges of traversing diverse landscapes, the vibrant cultures encountered at key trading hubs, and the pivotal role that gold and salt played in fostering prosperity and cultural exchange. Minimum word count: 80