With hundreds of thousands of servers, colourful cables and even bicycles so engineers can get around quickly, they range from a converted paper mill in Finland to custom made server farms in Iowa.

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Google’s Douglas County data centre in Georgia is so large the firm provides Google branded bicycles for staff to get around

Even the water pipes reflect Google’s brand: These colorful pipes are responsible for carrying water in and out of an Oregon data center. The blue pipes supply cold water and the red pipes return the warm water back to be cooled.