The joy of footbridges.

The joy of footbridges.

What we build.
Oct. 24 2007 11:19 AM

Walking on Air

The joy of footbridges.

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Witold Rybczynski is Slate's architecture critic His latest book is The Biography of a Building: How Robert Sainsbury and Norman Foster Built a Great Museum. Visit his Web site. Follow him on Twitter.

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