Formerly the home of David Ben-Gurion, the country's first prime minister, the apartment had both historic significance and severe restrictions awaiting the design team of Irene Goldberg, Tamar Berger, and Pitsou Kedem. To add space yet save the facade from the risk of damage, the architects came up with a novel solution: aim lower. A set of temporary beams and pillars allowed them to engineer and excavate a new basemant and create a massive well of open space, framed by the steel beams that define each floor.  Minimal Reboot by Patrick Sisson