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No, this isn’t the Large Hadron Collider, but rather a particle accelerator that is located underneath the small Russian town Protvino. Unfortunately, “the work on the accelerator ceased after the fall of the Soviet Union and it’s been abandoned since.” Click here for more pictures. For those who don’t know how these machines work, continue reading for a couple videos.

Now, as some explorers found, it looks more like the setting of a sci-fi thriller – just imagine what ancient evil could be lurking down there, or all those zombies just around the corner.

[via DviceEnglishRussia]