Mr. McConnell’s story, which includes 50 images, won a World Press Photo award this year but has yet to be exhibited outside Spain. Mr. McConnell, who is represented by Panos Pictures, worked for three years as a press photographer in Northern Ireland before traveling through Australia, Asia and Africa, where he is based. He spent four months photographing and interviewing the Sahrawis in refugee camps and in the Polisario-controlled Western Sahara.