It is a conjunction of images I have always loved in his Sonnets to Orpheus and this work is, in a way, a kind of eye which is reflecting images endl… - Anish Kapoor

It is more than a month that he's been completely disappeared. It is a true tragedy. Accuse him of something. Give him a lawyer. Let him defend himself …

I've never met Ai Weiwei but he's a colleague, an artist. In a very simple way he is heroically recording human existence. All he's done is to record death by administration, death by corruption, inefficiency. I don't even think he's pointing that sharp a finger, frankly.

One of the influences in his design for the tower was the Tower of Babel the sense of building the impossible” that “has something mythic about it. The spaces inside the structure, in between the twisting steel, are “cathedral like”, according to Balmond, while according to Kapoor, the intention is that visitors will engage with the piece as they wind “up and up and in on oneself” on the spiral walkway.