Vintage Chinese propaganda posters on display in the "Revolutionary Fervour " exhibition at Picture This Gallery in Central. 22JAN15 [Getty Images]

Vintage Chinese propaganda posters on display in the "Revolutionary Fervour " exhibition at Picture This Gallery in Central. 22JAN15 (Photo by Nora Tam/South China Morning Post via Getty Images) — see more

Vintage Chinese propaganda posters on display in the "Revolutionary Fervour " exhibition at Picture This Gallery in Central. 22JAN15 (Photo by Nora Tam/South China Morning Post via Getty Images)

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