© Licensed to London News Pictures. 31/05/2012. London, UK A woman looks onto the roof of the pavilion which is designed as a pond. The press preview today 31st May 2012, of The Serpentine Gallery Pavilion 2012, designed by Herzog & De Meuron and Ai Weiwei. The pavilion is the twelfth commission in the gallery's series of annual pavilions.. Photo credit : Stephen Simpson/LNP
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