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Serpentine Gallery unveils Sou Fujimoto's sculpture

4 June 2013 Last updated at 22:19 BST

A sculpture by Japanese architect Sou Fujimoto has been unveiled as this year's Serpentine Gallery commission.

The architect is one of the youngest to accept the prestigious annual commission.

Fujimoto along with Hans Ulrich Obrist, co-director, exhibitions and programmes, Serpentine Gallery and Julia Peyton-Jones, director, Serpentine Gallery all discuss the cloud-like sculpture.