Long story short, key takeaways:
1. A new 6th tunnel complete in Lop Nur in the first half of 2022
2. "Increased radiation was detected in the vicinity alongside these developments." Doubt it is true, it is nearly impossible for radiation to penetrate the atmosphere. Could be other way around but definitely not detected by satellite.
Nothing big deal but full of biases in this report.
Anyway, good reference on the new tunnel development. Might be new subcritical nuclear test going on there for new primary design or review.