At Tondiédo, the prehistoric engravings show that once upon a time, the desert was green. Kwamé meets Clément, the guide, who knew Omar well. Can he help him to find Omar, so that the desert becomes green again?This reminds Kwamé of a tale his aunt used to tell: ‘One day, a man will come. He will breathe life back into the grass and the trees you once knew.’
