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  The artist Christo, an epic scale environmental artist, created works that included stringing a giant curtain across a mountain pass in Colorado zigzagging thousands of fabric "gates" throughout Central Park. He described these giant works as something created to help us re-see everything around us.
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  Artist Robert Smithson installs "Spiral Jetty" in the Great Salt Lake in Utah. Constructed entirely of mud, salt crystals, and basalt rocks, this massive work represents a history of the Earth.
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  Agnes Denes plants a wheat field at the Battery Park Landfill in downtown Manhattan to question human values in relation to the future of humanity.
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  Mathilde Roussel uses recycled materials and fabric filled with soil and wheat grass seeds to create a living grass installation of the human body reminding us that we are one with nature.