Thomas Fuller, the San Francisco bureau chief for The New York Times, provides today’s introduction with news in the case of the sinking Millennium Tower.

For years, San Francisco was a famously low-rise city. Then came the tech boom and the race was on to build the glass and steel edifices that populate the world’s great cities. But in earthquake-prone San Francisco there’s a catch: many of the city’s new skyscrapers are concentrated in a neighborhood of squishy land reclaimed from the bay.

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