10
Design concepts for the future of Paris by leading architects, including Jean Nouvel and Richard Rogers, on show at the French capital’s architecture museum, the Cité de l'Architecture et du Patrimoine
12,500
Seats at the UK’s new Leeds Arena project, recently won by Populous - formerly HOK Sport
$12.5
Billions of dollars in the Building Australia Fund, which had been relying on an additional $7.5 billion from future surpluses that now look unlikely in light of the financial crisis