A world view Arthur Jafa Bjarke Ingels Christo Emma Kunz Fischli/Weiss Hans-Peter Feldmann Ian Cheng Jake and Dinos Chapman John Latham Julio Le Parc Junya Ishigami Klara Lidén Lee Ufan Luchita Hurtado Lygia Pape Marisa Merz Pavilion 2018 Pierre Huyghe Rebecca Warren Richard Hamilton Serpentine Pavilion Sondra Perry Suzanne Treister Thomas Demand Tomma Abts Wade Guyton art catalogue exhibition mental health publication