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How did a shot of an implacablelooking bloke in a beret end up the most reproduced image of the 20th Century?

This illuminating doc lucidly lays out the history, legacy and legal wrangles surrounding Alberto Korda’s iconic portrait of Ernesto ‘Che’ Guevara.

The range of talking heads is wide – from Sinn Féin leader Gerry Adams to Rage Against The Machine’s Tom Morello – and the politics even-handed.

Thankfully, it also highlights the irony that for the last 40 years, capitalist corporations have used the Marxist freedom fighter’s face to flog everything from vodka to bikini bottoms.