The International Assoc. for Shell and Spatial Structures (IASS) will hold its annual symposium at the Universidad Politécnica de Valencia, Valencia, Spain, with the aim of gathering a wide group of engineers, architects, researchers and educators to share recent work, experience and insights to understanding the fast-evolving field of shell and spatial structure design. Topics slated for the 50th Anniversary year symposium include design and morphology, materials, structural systems, historical buildings, analysis and realization and other topics. The symposium will take place from Sept. 28–Oct. 2.