Actually there was a story about 37 high-speed trains cancelled in Kunming last Monday:
www.chinanews.com/sh/2017/07-17/8280025.shtml

@Philou: And there you go -but the fault here is with the weather, which we need to do something about - suggest global warming etc. might well be involved. I'd be surprised if some flights were not cancelled or delayed as well.
Assume the relevant buses were running, but probably a bit slow.
'Everything is connected to everything else' - enables plenty of opportunities, scary realities. Not sure we're up to it - tragic about those dinosaurs, but at least they can't be blamed.