Cities

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Just like starting over: when Britain (briefly) fell in love with New Towns

In an exciting post-war moment, completely planned towns sprung up around the country. Years later, they don't get the credit they deserve, says Christopher Beanland

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Oslo keeps kids safe by making them 'secret smartphone agents'

A world first, the app Traffic Agent makes it a game for kids to report dangerous roads

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Pain, populism and democracy – inside Mexico City’s crowdsourced constitution

Amid accusations of demagoguery, hope for a better political culture

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The night watchman

Mirik Milan is night mayor of Amsterdam, tasked with supporting the city's nightlife and after-hours economy. He discusses juggling the city's diverse needs –​ and what London's new night tsar can learn from him

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Lost utopias: how the world imagined its future

A photographer documents the dramatic structures and relics of World's Fair sites

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Why London in 1854 was the world's first smart city

Comment: The smart part of smart cities isn't about the dazzling technology, says Eddie Copeland, it's about the people. The story of John Snow shows us the way

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Lagos calling

Architect Tosin Oshinowo on how a new generation of creative talent is changing things in a city of 22 million

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What cities in the post-Brexit era could learn from a 14th-century trading bloc

As national unions fracture over the spoils of globalisation, will we see the resurgence of city-state alliances, like the Hanseatic League?

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Canned designs: Airborne at King's Cross

In the final instalment of our series, Christopher Beanland looks at an unlikely elevated airport in central London