A competitor takes part in the Stage 2 of the 33rd edition of the Marathon des Sables between Ouest Aguenoun N'Oumerhiout and Rich Mbirika in the southern Moroccan Sahara desert on April 9, 2018. The 33rd edition of the marathon is a live stage 250 kilometre race through a formidable landscape in one of the world's most inhospitable climates. / AFP PHOTO / JEAN-PHILIPPE KSIAZEK