Can you identify this building to win a £25 drinks voucher?
Once this arch only admitted boats; now it accepts paying visitors. But what is it?
The building on 9 June was The Circle, Queen Elizabeth Street, near Tower Bridge in London, designed by CZWG Architects and completed in 1989. The winner was Mike Barker of Connell Mott MacDonald.
Email your answer to email@example.com. First correct answer wins. The editor’s decision is final. No cash alternatives will be offered. No employees of CMP Information or their relations enter.