In China Space Pioneer was performing a static fire test of the Booster for their Tianlong 3 rocket, a design which is a close copy of SpaceX's Falcon 9.Due ...
Scott Manley video, looks like the hold down claps may have ripped the bottom off the booster, allowing it to take off.
I could never figure out why they do it. You want to be far south and have an open ocean to the east of the launch site.
Why are they not launching from Hainan or somewhere on the south coast, west of Hong Kong?