A forensic expert checks the debris of a bus that plunged over a cliff into a ravine, in Ain Snoussi in northern Tunisia on December 1, 2019. - The bus, with 43 people on board had set off from the capital Tunis to the mountain town of Ain Draham, the tourism ministry said. About twenty-four people were reported killed and more than 18 injured. (Photo by Fethi Belaid / AFP)