
A 14-metre-high 3D aluminium lattice cube representing a beehive stands at the heart of the UK’s pastoral Expo pavilion. It will be reinstated as an artwork in the UK after the event; photo Hufton + Crow / courtesy of UKTI
The five-yearly international big-top fair that is Expo is currently drawing vast crowds to its 2015 Milan edition. Given its sustainability theme, just how sustainable are its temporary architectural offerings? (by Giovanna Dunmall)