Outdoor, Trees, Grass, Back Yard, Concrete Patio, Porch, Deck, and Small Patio, Porch, Deck The 1968 house’s shape—a rounded triangle topped with a sweeping concrete roofline that suggests a helmet as it rises above huge banks of windows—lends itself totally to Kukkapuro’s philosophy. “It is a structure in waiting, prone to change as the landscape around it—not yet a form, rather a possibility,” he says. “It changes in harmony with the seasons and the moods of its inhabitants.”  Best Photos from The Modern Studio of a Finnish Design Legend