YouTuber Shiey is an urban explorer—armed with a head-mounted camera and a flashlight, he ventures into abandoned or unoccupied locations to explore the dark underbelly of city life most of us never even think about. It's an exciting, dangerous, and mostly illegal hobby that has netted his channel over 87,000 subscribers.
His latest video, however, is going viral in a much bigger way, because it's the most insane. While exploring a working factory in Russia, he found a discreet metal gate in a concrete block, and decided to venture into the creepy network of narrow tunnels leading down from it. When he got to the bottom, he found something straight out of a post-apocalyptic movie.
Shiey's description reads: