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Why glass towers are bad for city life — and what we need instead | Justin Davidson

There’s a creepy transformation taking over our cities, says architecture critic Justin Davidson. Rethink your city’s anatomy as Davidson explains how the exteriors of building shape the urban experience — and what we lose when architects stop using the full range of available materials.

The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more.