What is the purpose of creating Research Laboratories deep underground? To study the stability of geological layers as a potential vaulting environment for long term stockage of radioactive wastes.
How does one present the scientific reasoning to the surface population, simply?
This was the request of the National Agency which manages radioactive wastes in France.

The first 2 of these television spots uses simple logic, the third presents the people and the social responsability of the National Agency (filmed on location) who are in charge.

directed by Jean-Pierre Pozzi