London, UK. 19th Jan, 2018. "The Umbrella Project" by Cirque Bijou (UK) performs in Piccadilly. Lumiere London, the capital's largest arts festival commissioned by The Mayor of London and produced by Artichoke. Light installations by leading artists have been set up, both north and south of the river for the public to view 18-21 January. Credit: Stephen Chung/Alamy Live News

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