YPF tower, Postmodern office building in Puerto Madero, Buenos Aires, Argentina.
The YPF Tower is a 160-metre office building on the corner of Macacha Güemes and Juana Manso in Puerto Madero, Buenos Aires, designed by César Pelli and completed in September 2008. It has 44 floors, three basements and a ground floor, and its two juxtaposed prisms, one triangular and one square, are turned 45 degrees to the street grid and end in opposing inclined planes.
The tower opened in 2008, marking a turning point when the old port area of Puerto Madero began transforming into a modern business district. This shift represented a broader renewal effort that gave new life to what had been industrial waterfront spaces.
The tower's name comes from the state oil company YPF, whose headquarters it is; on 25 May 2012, 21 days after the company's nationalization, it was lit in the colours of the Argentine flag to mark 202 years of self-government. The winter garden on levels 26 to 31 holds jacarandá trees in stainless-steel pots 2.30 metres across and 1.85 metres high, visible from the street through translucent glass.
The building is equipped with modern facilities and sits in an area well-served by public transport. Keep in mind this is a private office building with limited public access, so visiting the interior may not be possible without prior arrangement.
The winter garden on levels 26 to 31 holds jacarandá trees, not eucalyptus, growing in stainless-steel pots 2.30 metres across and 1.85 metres tall, with 5 mm walls. The glass panels there are hinged so trees can be replaced; the panels stay shut and seal through mechanical interlocking rather than caulking.
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