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Rising concerns on San Francisco skyscrapers

Name: Rising concerns on San Francisco skyscrapers
Uploaded: 2016-09-24T18:44:00-0400
Duration: 1 min 55 s
Description: The revelation that a new San Francisco skycraper is leaning and sinking has added new concerns about the safety of other tall buildings in a city prone to earthquakes. John Blackstone reports.

The revelation that a new San Francisco skycraper is leaning and sinking has added new concerns about the safety of other tall buildings in a city prone to earthquakes. John Blackstone reports.