Henri le navigateur et la cartographie (E05)

Until the medieval times, it was Ptolemy’s maps which were considered to be the bible of every navigator at sea. They said, the person who didn’t take note of those maps would end up as the victim of some cruel and gigantic sea monsters or be sucked down to the ground of the oceans. Henry, the third son of King John of Portugal, disagreed. When he invaded the Moroccan town of Ceuta with his army in 1425, he heard curious stories about a land situated on the banks of the Senegal River… (iTunes)