Big 4, Steel sculpture in Westminster, United Kingdom.
Big 4 is a steel sculpture in Westminster made of metal bars arranged to form the numeral four. The complete shape becomes visible only when viewed from particular angles, and the structure regularly serves as a platform for temporary artistic projects.
The structure was commissioned by Channel 4 in 2007 to mark the broadcaster's 25th anniversary. Since its creation, it has evolved into a site for artistic experimentation and collaboration between different artists and engineering teams.
Multiple artists have transformed the steel framework through installations, including photographer Nick Knight who incorporated images of human anatomy into the design.
The best view of the sculpture comes from various vantage points around the Channel 4 headquarters. Visitors should take time to observe the structure from different angles, as its form shifts depending on position.
The frame structure is regularly reinterpreted by different artists who fill it with varied materials. Photographers, designers, and visual artists have experimented with textiles, printing plates, and other everyday objects.
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