Images: Peek into the amazing world of Google's data centres

[caption id=“attachment_494653” align=“alignleft” width=“940”]  The data centre in Mayes County, Oklahoma, Each of the server racks has four switches, connected by a different coloured cable. Google keeps these colors the same throughout the data centre so as to know which one to replace in case of failure. Screengrab from the Google data centre website.[/caption]

[caption id=“attachment_494654” align=“alignleft” width=“940”]  This undated photo provided by Google shows a Google data centre in Douglas County, Georgia. Google is opening a virtual window into the secretive data centers that serve as its nerve center. The unprecedented peek is being provided through a new website.Google/AP[/caption]

[caption id=“attachment_494656” align=“alignleft” width=“940”]  Council Buffs, Iowa: The Council Bluffs data centre is spread over 115,000 square feet of space.Google/AP[/caption]

[caption id=“attachment_494658” align=“alignleft” width=“940”]  Council Buffs, Iowa: The Council Bluffs data centre is spread over 115,000 square feet of space. Connie Zhou, Google/AP[/caption]

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[caption id=“attachment_494659” align=“alignleft” width=“940”]  This undated photo provided by Google shows a Google technician working on some of the computers in the Dalles, Oregon, data centre. Google/AP[/caption]