FRANCE-ENERGY-NUCLEAR-SCIENCE-RESEARCH-ITER-ENVIRONMENT

Technicians work on the bioshield inside the Tokamak Building with the base of the cryostat at its base during the launch of the assembly stage of nuclear fusion machine "Tokamak" of the International Thermonuclear Experimental Reactor (ITER) in Saint-Paul-les-Durance, southeastern France, on July 28, 2020. Thirty-five nations are collaborating in the ITER energy project aimed at mastering energy production from hydrogen fusion, as in the heart of the sun, a potential new source of carbon-free and non-polluting energy. (Photo by CLEMENT MAHOUDEAU / AFP) (Photo by CLEMENT MAHOUDEAU/AFP via Getty Images)