 The Big 4 is a 50-foot-tall statue of the Channel 4 logo which was constructed outside the building.The Big 4 is designed by FreeState The structure replicates the channel's 2004–2015 idents, in which the "4" logo is formed only when viewed from a particular angle.Also, the Big 4 is adapted into masterpieces created by artists such as British photographer Nick Knight, installation artist Stephanie Imbeau, fashion designer Hannah Gourlay, and most recently disabled artist Tony Heaton.