We have been through discussing the BAT a few times, I will just leave it at me not being a big believer in this concept. The Zhonglou is more promising due to its promise og high altitude operation.
I don’t see any of these as the most likely to succeed though.
I would rather say its quite sad that this might represent the state of Chinese AWE activity these days, also reflecting on low activity worldwide.
Facing climate change I believe humanity overall is making a poor choice in not putting more effort into wind energy and AWE as part of that.
Looks like nuclear power may become the new «coal» but because that will take a long time to implement, we will have warming first