Find a work of art inside King’s Cross tube station

Two very large, but also so very easy to miss, works of art are passed by thousands of people every day inside King’s Cross tube station.They can be found in the concourse between the Northern line and the Piccadilly line platforms, and are called Full Circle, by Knut Henrik Henriksen. They appear to be almost part of the structure of the tunnels, and unless you walk up to them and spy a small art notice next to them, you’d probably never even know that there’s a very large wor