Can you identify this building to win a £25 drinks voucher?
Is this a pillow? A scab? An insect eye? The enclosure to an alien settlement? Or something else?
The building featured on 2 November was the Greater London Authority headquarters by Foster + Partners. The winner was Robert Lewis of Cornish Architects
Email your answer to email@example.com
First correct one wins. The editor’s decision is final. No cash alternatives will be offered.