This anon has seen it and it seems legit.
Horrilbe tho, Huma also there
Dark techno music with dark voices overlap.
Flashy (stroboscope) lights
Concrete (underground?) building with no doors but with an opening that can fit a door.
Child strapped on chair on the left
2 person Bed on the right.
People walk in what looks like Hill and Hum
Child starts screaming
Stopped watching