The 35,000-square-foot USA Pavilion at Expo Milano 2015 and its vertical farm under construction.Credit Saverio Lombardi Vallauri

James Biber can see Russia from his roof. Mr. Biber, the architect of the USA Pavilionat Expo Milano 2015, the world’s fair that is racing to meet its opening date on Friday, also has a good view of Kuwait next door and Iran across the street.But with its 33-yard roof canopy jutting out like a knife, Russia’s national pavilion commands particular attention. This is no small coup when you’re among dozens of buildings lined up in aesthetic disjunction, like words pulled from a hat by a Dadaist poet......Continue Reading

A rendering of the Future Food District by the architect Carlo Ratti.Credit:Carlo Ratti Associati

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