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2013-11-05 09:19:01 UTC

What is Google building out in San Francisco Bay?

2013-10-30t021031z_01_sfo6_rtridsp_3_google-mystery

A barge is seen on Treasure Island in San Francisco. Google is erecting a four-story structure in the heart of the San Francisco Bay but is managing to conceal its purpose by constructing it on docked barges instead of on land, where city building permits