Doubles lignes indéterminées, Steel sculpture in La Défense district, France.
Doubles lignes indéterminées is a twelve-meter-tall steel sculpture whose interlacing lines create different visual patterns depending on where you stand. The abstract form interacts constantly with its surroundings, inviting visitors to walk around it and discover how the angles shift the appearance.
The artwork was created in 1988 by artist Bernar Venet as part of a broader initiative to introduce contemporary art into the district's architecture. This marked an important moment in developing the public art landscape of the area.
The sculpture represents mathematical and philosophical concepts through its abstract form, reflecting Venet's interest in scientific principles and geometric shapes.
The sculpture sits in an open plaza in the neighborhood and is easy to reach on foot while exploring the area. It helps to walk around it multiple times to notice how the visual effects shift from different positions.
The lines of the structure appear to defy gravity while creating an optical illusion that changes as people move around the sculpture.
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