This is NSFL. For people who are curious but don't want to click, it shows people who committed suicide by hanging, and many, many suicides by jumping off buildings.
Also some comments indiciate that most of the videos are not lockdown related and very old.
This was posted a week ago in /r/china and we removed it for the same reason, it was cold in Shanghai yet in that video everyone is in T-shirts and it's cloudless. We reckon it to be from the north by the accents