North Koreas nuclear test site collapsed and that may be why NK suspended tests

scmp.com

4 pointsShadowFaxSam2 comments

In the last swipe-compare image of the mountain I see no difference other than the lighting and clouds. What should I be looking for?

You can see a difference in the striations in ridges in the picture on the right. There are more "cracks" suggesting some sort of internal collapse.