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In 2017, there were two independence referendums: Catalonia in Spain and Iraqi Kurdistan. During the latter, Baghdad sent troops to take control of the borders of the semi-autonomous Kurdish region. For the World at One, Hugh Sykes looks back on the warnings heard in Iraqi Kurdish capital Erbil over the past 12 months. (Image: Child at Dibagha camp, credit: Hugh Sykes/Â鶹Éç)