Here’s a fascinating look at Facebook’s new high-tech datacenter on Wednesday on the edge of the Arctic Circle in Sweden. This 300,000-square foot facility outside the city Lulea should improve the social network’s performance in Europe. Continue reading for more pictures and information.

In addition to harnessing the power of water, they are using the frosty Nordic air to cool the thousands of servers that store photos, videos, comments, and Likes. Any excess heat produced is used to keep the offices warm. Nearly all the technology in the facility, from the servers to the power distribution systems, is based on Open Compute Project designs.

The Facebook-founded initiative encourages the development of “vanity-free” hardware designs that are highly efficient and leave out unnecessary bits of metal and plastic. These designs are then shared with the broader community, so anyone can use or improve them.

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