Miles of cables, robots archiving backup tapes, and quarter-million-gallon cooling tanks: take of tour of Google’s data centers to see just how the search giant fuels the engine that delivers your search results so quickly.

The collection of photos includes data centers around the world and offers a rare behind the scenes look at their operations. In some cases, we’re even treated to a literal behind the scenes view as seen in the photo above, from the Mayes County, Oklahoma data center:

A rare look behind the server aisle. Here hundreds of fans funnel hot air from the server racks into a cooling unit to be recirculated. The green lights are the server status LEDs reflecting from the front of our servers.

Hit up the link below for the full tour that includes photos and information about the data centers, the people that run them, and even a Street View style tour inside.

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