Youth from Oualata attend the concerts of traditional music and folk chants, during the annual festival of ancient cities in Mauritania, on December 10, 2023. The festival, held from December 8 to December 12, 2023, aims to celebrate the historical and cultural heritage of the ancient Mauritanian cities, such as Ouadane, Chinguetti, Tichitt and Oualata, classified as World Heritage sites by the United Nations Educational, Scientific and Cultural Organization (UNESCO). (Photo by Michele Cattani / AFP)