Looking for Austrian perspective on China's Ghost Towns

The short answer is that taxes are broken windows.

This should clarify it some more:

https://forum.freecapitalists.org/t/discussing-with-a-keynesian-broken-window-fallacy-need-some-help/20836/24

I recommend reading Bastiat’s original description of the broken window fallacy. Also, the thread linked above contains some good discussion on the topic.