I want to see how safe is this underground graveyard in case of a volcanic eruption... I'm sorry but I don't believe in nuclear, I think at the pace renewable a

I want to see how safe is this underground graveyard in case of a volcanic eruption... I'm sorry but I don't believe in nuclear, I think at the pace renewable and batteries are evolving now, they will be better alternative before a new nuclear plant is planned and constructed which takes many years.