Google data center in Council Bluffs, Iowa

Google's data centers can be vast. This one in Council Bluffs, Iowa, has more than 115,000 square feet of room.
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Photo by: Google/Connie Zhou / Caption by:

Google's colored pipes

Google's data centers use color-coded pipes to indicate what they're used for. Pink means water headed for outside cooling towers.
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Photo by: Google/Connie Zhou / Caption by:

Fixing a Google server

Denise Harwood diagnoses an overheating CPU inside a long aisle between racks of computing gear in a Google data center.
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Photo by: Google/Connie Zhou / Caption by:

Stormtrooper on guard

Google's Street View tour of a North Carolina data center includes this humorous view of including a Stormtrooper and R2-D2 droid from "Star Wars."
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Photo by: Screenshot by Stephen Shankland/CNET / Caption by:

Google's Atlanta data center by night

A Google data center outside Atlanta, Ga.
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Photo by: Google/Connie Zhou / Caption by:

Colored cables in Google data center

Google uses huge numbers of servers, as evidenced by this long shot down one data center aisle. The colored cables are standardized across the company's data centers worldwide so their function is clearer.
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Photo by: Google/Connie Zhou / Caption by:

Google satellite dish

Antennas such as this one receive satellite communications signals used to pipe TV into homes subscribing to the Google Fiber broadband service.
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Photo by: Google/Connie Zhou / Caption by:

Google cooling towers

These are the water tanks and cooling towers for Google's data center in Saint Ghislain, Belgium.
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Photo by: Google/Connie Zhou / Caption by:

Google data center in North Carolina

Google's data center at Lenoir, N.C.
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Photo by: Google/Connie Zhou / Caption by:

Oklahoma data center from the air

Google's data center in Pryor, Okla.
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Photo by: Google/Connie Zhou / Caption by:

Cold curtains

Transparent plastic curtains keep the cool air around servers in a Google data center in Council Bluffs, Iowa.
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Photo by: Google/Connie Zhou / Caption by:

Dead hard drives

Hard drives that fail are wiped then destroyed on site. Here's a pile of some that were spiked by the Google procedure.
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Photo by: Google/Connie Zhou / Caption by:

Insulated pipes

The U-bend on these insulated pipes provides wiggle room for expansion and contraction as temperatures change.
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Photo by: Google/Connie Zhou / Caption by:

Google data center bike

Google employees use bicycles to get around their data centers.
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Photo by: Google/Connie Zhou / Caption by:
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