Where: Olympic Park, east London
Who by: Anish Kapoor
When: 11 May 2012
What they said then: 'It is the most extravagant example yet of the idea that a big, strange object can lift tens of thousands of people out of deprivation. But the Orbit could mark the point at which it overreaches itself and we decide to try something different in the future …. Right now, it threatens to be an urban lava lamp.'
Rowan Moore - Architecture critic
What they say now: 'We did not want to follow in a tradition of tower making, which is all about symmetry, from Eiffel onwards. We wanted to see if it was possible to make a truly 21st-century object. It's pretty obvious from the start that this is an odd object.'
Anish Kapoor - Sculptor, 6 October 2012