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Artist Nina Katchadourian watches the dusting of the helicopter. Shown: Arthur Young. Bell-47D1 Helicopter. 1945. Manufacturer: Bell Helicopter Inc., Buffalo, NY. Aluminum, steel, and acrylic plastic, 9′ 2 3/4″ × 7′ 11″ × 42′ 8 3/4″ (281.3 × 302 × 1271.9 cm). Marshall Cogan Purchase Fund. Photo: Manuel Martagon. © 2016 The Museum of Modern Art

Get a behind-the-scenes look at dust in the Museum.