Social media is blowing-up with videos of 400 families moving into a deep underground mine/cavern/bunker to "survive what's coming." The narrator says they are all packed-in with food and supplies, and urges everyone else "take cover while you still can."
Video shows pick-up trucks, cars, even Winnebago-sized house camper-trailers, all moved-in and parked in the underground cavern. The narrator even points out thick steel reinforcements they installed "in case there's a blast above" the cavern.
Here is the video causing all the commotion:
