Saharan demonstrator wave their flags as they take part in a rally along the Concha beach support Brahim Gali, leader of the Polisario Front and a Sahara free, in San Sebastian, northern Spain, Sunday, May 30, 2021. Brahim Gali is recovering from COVID-19 in a Spanish hospital. The leader of the Western Sahara independence movement at the heart of a diplomatic spat between Spain and Morocco will appear before an investigating judge in Spain on June 1. (AP Photo/Alvaro Barrientos), APTOPIX