How many years have you been working on skeleton bones?

Question: How many years have you been working on skeleton bones?
- Keywords:
  bone,
  skeleton
Asked by 356nveg35 to Michael on 6 Nov 2016.
- Michael Rivera answered on 6 Nov 2016:
  
  Hello!
  
  I have worked on human bones for eight years now. I really hope that there’ll be many more years to come, because I think it’s such a cool subject!
  
  Michael

Question: How many years have you been working on skeleton bones?