From the outside they look like massive blocks of concrete, but from within they are a complex matrix of servers. Housed in steel racks, they extend as far as the eye can see.
It can be like a hunk of metal, foreboding and menacing in equal measure. Step inside, however, and it’ll feel like you’ve reached an alien warship or the sets of a dystopian movie.
For starters, everything is grey or black. Then there are optical fibres, power supply
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