Can you identify this building to win a £25 drinks voucher?
Here is a conversion from a modern to an ancient art form.
But what is the building?
Email your answer to email@example.com. First correct answer wins. The editor's decision is final. No cash alternatives will be offered.
The building on 2 June was Sea Containers House in Blackfriars, south London, originally designed as a hotel by Richard Seifert. The winner was Paul Smith of Foster and Partners