"© Licensed to London News Pictures. 03/03/2020. LONDON, UK. A staff member poses next to a tower of replicas of IKEA step stools made from seven different species of wood. Preview of ""Cambio"" by Formafantasma, an Italian design duo based in Amsterdam.  The exhibition is an ongoing investigation into the governance of the timber industry and takes place at the Serpentine Sackler Gallery 4 March to 17 May 2020.  Photo credit: Stephen Chung/LNP"
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