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<n>Barbara Hepworth</n>'s sculpture <n>Meridian</n> (1958-1960), installed at State House in London.

Sculpture <n>Cockatoo Mask</n> (1973) by artist <n>Rebecca Horn</n>.

Installation view of <n>Alexander Calder</n>'s 1950 retrospective at MIT. Photo by <n>Ezra Stoller</n>.

Photo by <n>Shade Degges Photography</n>.

Generative artwork <n>numerical paleontology iii</n> by <n>Saskia Freeke</n>.

The Other Perspective, featuring performer <n>Gretha Nagyova</n>.

<n>Trepantes</n> (1963), a metal sculpture by artist <n>Lygia Clark</n>.