out of all the places you have studied/been to which had the most radiation?

Question: out of all the places you have studied/been to which had the most radiation?
- Keywords:
  radiation,
  travel
Asked by ~ha.n.n.ah~ to Kate on 11 Nov 2015. This question was also asked by ༼ง=ಠ益ಠ=༽ง, jasmine.
- Kate Wright answered on 11 Nov 2015:
  
  Sometimes I do measurements around containers which are full of radioactive rubbish – sometimes there’s quite a bit of radiation coming from them, but nothing dangerous. I haven’t been to any really radioactive places because it’s not safe for people to go there!

Question: out of all the places you have studied/been to which had the most radiation?