Kazuyo Sejima and Ryue Nishizawa, partners of the Tokyo-based Sejima and Nishizawa and Associates, better known as SANAA, have been awarded this year’s Pritzker Prize. The annual award is given by the Hyatt Foundation to a living architect or architects who have consistently produced important work. Nishizawa is the youngest architect ever to win the Pritzker, while his partner Sejima is only the second female laureate in the competition’s history. The pairs’ first masterpiece, according to McGraw-Hill’s Architectural Record magazine, was the 21st-Century Museum of Contemporary Art in Kanazawa, Japan. Located in the center of an urban park, the circular
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.