"Architecture should speak of its time and place, but yearn for timelessness." -Frank Gehry
There are many important structures in Istanbul. But this one – commissioned by emperor Justinian, consecrated as a church in 537. Converted to a mosque by Mehmet the Conqueror in 1453. And declared a museum by Atatürk in 1935. It surpasses the rest because of its architecture, history, religious importance and extraordinary beauty.
Elegant steel suspension footbridge crossing the Thames from the Tate Modern to St Paul's Cathedral.
A giant Ferris wheel on the South Bank of the River Thames in London.
The airport is like a cathedral, and Foster has designed it rather like that. It actually has the feeling of a great gothic cathedral in modern materials.