A worker checks for radioactivy as he leaves to the nuclear reactor building

A worker checks for radioactivy as he leaves to the nuclear reactor building on June 27, 2019 at the Tricastin nuclear power in Saint-Paul-Trois-Chateaux, southern France . – In Tricastin, the reactor number one nuclear power plant has turned into a huge project that will last six months. The stakes are high for EDF, the goal is to allow the power plant to continue its life beyond its forty years. (Photo by PHILIPPE DESMAZES / AFP)