Showing who's boss, Rem Koolhaas delivers the entirety of OMA's presentation himself, but dwells exclusively on the building's external appearance and why it takes on a twisted form. "The site is pulled in two directions," he explains, "so we looked at shapes that express that double pull." He then shows the resulting corkscrew form from many different angles, remarking on how it has "a surprising amount of silhouettes". Which is not that surprising really.

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