Ghaith Abdul-Ahad, a former architect who is now an award-winning correspondent for The Guardian, is writing a book about his life as a reporter, focusing on assignments in Iraq, Syria and Yemen. He makes sense of his experiences in those places not just with words and photographs but with sketches in pen and watercolours. “When you’re in a conflict zone,” he told his colleague Killian Fox in The Observer at the weekend, “drawing is amazingly therapeutic.”