What is the coolest thing u found in the ground while studying it

Question: What is the coolest thing u found in the ground while studying it
- Keywords:
  Cool,
  ground,
  study
Asked by DeirdreT to Asaf on 9 Nov 2020.
- Asaf Shnel answered on 9 Nov 2020:
  
  I like insect ecology and when inspecting the soil I always keep an eye for al kind of insects. I especially like to find different kinds of beetles which I can photograph and try to identify with my insect guide book.

Question: What is the coolest thing u found in the ground while studying it