The £3bn rebirth of King’s Cross: dictator chic and pie-in-the-sky penthouses

Google HQ, boutique shops in old coal sheds, gasholders offering wedge-shaped flats at sky-high prices … as the vast project comes together after 18 years, our critic gives his verdict

Why the ‘best cities to live in’ list rewards the safe and the clean

The Economist Intelligence Unit’s report on the world’s most liveable cities is a go-to overview of desirable cycle lanes and botanic gardens, but where’s all the fun?

Anti-smog bikes: could pedal power clean China’s polluted air?

The bikes designed by Dutch artist Daan Roosegarde would suck in polluted air, using positive ionisation to purify it, before releasing it back into the atmosphere

Mies’s Mansion House Square: the best building London never had?

Mies van der Rohe’s plans for an office tower in the City were scuppered by Prince Charles’ criticism and Margaret Thatcher’s fear of new public space – yet this tale has as much to do with shifts in public opinion against modernist architecture

Frankfurt prepares for Brexit bankers: ‘Maybe our city will change them’

‘Boring’ Frankfurt is set to attract financial businesses from London with its accessibility, low property costs and family-friendly facilities. ‘Maybe these play hard, work hard people will start to enjoy the slower pace,’ hopes one resident

Google’s satellite timelapses show the inconvenient truth about our planet

Google’s new Timelapse project allows you to see how anywhere in the world has changed in the last 32 years; from evaporating lakes to exploding cities, it’s a document of recklessness