Message posted by Gabriel on June 14, 2019 at 13:12:21 PST:
All satellite images are from planet.com. Most of them have been taken in May 2019.
I added some notes (just my speculation) and the date when the changes had appeared for the first time. The date of the new hole is pretty exact thanks to the daily imagery archive of the website. To illustrate this I have also used a still image from Christian's great video. I hope he doesn't mind. And I didn't highlight it but there is a *very* active moving in the gravel pit.
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