I finally got round to visiting this year's Serpentine Pavilion today on the way to having a look at Anish Kapoor's Turning The World Upside Down series dotted about Hyde Park. This is what a representative mirror looks like (i.e. you've seen it before)
Super (etc.). The pavilion is a not unrelated installation.
Though Jean Nouvel's striking design is a unique melange of the monumental, sci-fi and Pagoda-style tiered roof/awning, it also has a lot of fun with the exotic, womb-interior red that is the mainstay of so much of Kapoor's work (also here).