Based on extensive feedback from the community, BIG’s vision for the Smithsonian Institution masterplan seeks to improve and expand existing facilities; create clear connections, access points and visibility between the museums and gardens; and to replace aging building mechanical systems that have reached the end of their lifespan, including structural reinforcements of the Castle to withstand potential seismic activity.

At ground level, the lifted mass provides nearly % of the site devoted to public realm including two new, generous publicly accessible spaces linked together by the building&#;s lobby. At the north a new Bankside Square is created adjacent to the Grade II listed Anchor Pub, enhancing its setting. At the west, in conjunction with the neighboring Former Financial Times Building, a centralized, tranquil Pocket Park is created in association with a new north-south route through the Site.

BIG converted the former s Transitlager warehouse with an &#;opposite twin&#;: both the old and the new are the same size, born out of the same structural grid, but assuming different massing, geometry, and scales of use. One is straight, the other zigzagged; one is singular, the other serial; one is open and flexible, the other bespoke; public contrasts private while vibrant urban spaces complement private gardens.

Since the infrastructure is the most important element, the rest of the program is integrated with it as much as possible. In order to create a physical interface, the elevated vacuum tube wraps around itself and descends as a gentle ramp, ending in an airlock that allows for save entry and exits for pods. While the pill shaped loop of the tube forms the exterior façade of the facility, the support structure gets extended towards the interior as a sequence of concrete frames with fileted corners for lateral support.

Buenos Aires is a lively city with a vibrant social life, but to our surprise it only has m of public green space per person compared to the nine square meters recommended by WHO. This was something BIG&#;s design could address. As a result, the two blocks are transformed into five towers. Each tower is given a different height to eliminate the sensation of a wall. The podium is reduced into semi-sunken pavilions, turning their roofs into green slopes. The bases of each tower are eroded diminishing the footprint and allowing a public park to expand.