Experts from The Netherlands shared practical examples of circularity in the built environment in their home country. Thomas Rau spoke about his book “Material Matters”. Wytze Kuijper introduced Cirkelstad, an open platform for civil servants, builders and designers (see website). Mathias Lehner of the Royal Institute of Dutch Architects (BNA) presented BNA’s Circular Manifesto, with which the institute encourages architects to responsibly use materials when designing buildings. Juan Azcarate-Aguerre (TU Delft) presented current research projects of the Faculty of Building Products Innovation.