The 2012 Serpentine Gallery summer pavilion – in pictures

This year's Serpentine Gallery pavilion has a floating platform roof which collects water and becomes a mirror Photograph: Oli Scarff/Getty Images Cork seats inside the pavilion, which was designed by Chinese artist Ai Weiwei and Swiss architects Jacques Herzog and Pierre de Meuron Photograph: Rune Hellestad/Corbis Architects Jacques Herzog and Pierre de Meuron at the launch of the pavilion Photograph: Rune Hellestad/Corbis Visitors admire the interior of the pavilion Photograph: Oli Scarff/Getty Images An exterior view of the pavilion Photograph: Oli Scarff/Getty Images