A handout picture released by the Moroccan Royal Palace on November 6, 2021, shows King Mohammed VI delivering a speech to the nation on the occasion of the 46th anniversary of the Green March, in the capital Rabat. - Morocco's King Mohamed VI said that Western Sahara is "not negotiable", as tensions flared with Algeria over the disputed territory. In 1975, the king's father, Hassan II, sent 350,000 civilian volunteers on the iconic march into the Western Sahara. (Photo by Moroccan Royal Palace / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / SOURCE / MOROCCAN ROYAL PALACE- NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS