Crafted from Cor-Ten steel plates, the artwork weighs over fifty thousand pounds.

They hadnt seen that before.

Modernism was a right angle; the whole 20th century was a right angle.

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Artist Richard Serra poses in front of one of his works at the Guggenheim Bilbao Museum in 2005.

Downtown St. Louis, Missouri

A side vide ofTwainin Serra Sculpture Park in St. Louis.

It took Serra two and a half years to develop the sculpture.

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Photo: Randy Mallory

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A side vide ofTwainin Serra Sculpture Park in St. Louis.

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Visitors wandering through Serra’sThe Matter of Time(1994–2005) at the Guggenheim Museum Bilbao in 2011.

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The artist posing withBandas it was being installed at LACMA in December 2007.