Today, when darkness of all kinds, cast by humans, is trying to prevail and is endangering prosperous life on the planet, we need a reflection on how to reconcile the darkness with light of living. Tatjana Capuder Vidmar examines four perspectives on the topic through four masterpieces of art: Lszl Moholy-Nagy's Das Lichtrequisit, Daniel Libeskind's Der Holocaust Turm, Senenmut's Temple of Queen Hatshepsut, and Alvar Aalto's Studio Aalto in Helsinki. Architecture can contribute to a better world. To do so, architecture needs to be relational and sunlight has a special role in it. The volume is illustrated with the author's artworks, which are interpretations of beautiful light - shadow relations in tectonics of natural structures.