Unspoken Spaces is the first major book on Olafur Eliasson's architectural projects and works in public spaces around the globe. The book explores, often in Eliasson's own words, the artist's driving interest in finding visionary shapes to represent abstract ideas, and presents an extraordinary visual journey through spheres, tunnels, towers, walkways and archways, as well as pavilions and larger buildings realized by Eliasson and his studio since the late 1990s.