Wenzel Hablik, "Cliffs, lightning, fire, towers of glass. Provoke the engineers and they will create wonders for you. Trust only in nature and respect her laws." 1920.
Photo: Hablik Collection, Itzehoe; Source: The Crystal Chain Letters: Architectural Fantasies by Bruno Taut and His Circle. ed. & trans. by Iain Boyd White, Cambridge: MIT, 1985.