A picture shows a pre-assembly gantry constructed by South Korea which will be used to assemble vacuum chamber sectors with vertical coils to be inserted into the Takomak 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. – A picture shows a pre-assembly gantry constructed by South Korea which will be used to assemble vacuum chamber sectors with vertical coils to be inserted into the Takomak USED TO ASSEMBLE VACUUM CHAMBER SECTORS WITH VERTICAL COILS TO BE INSERTED IN THE TOKAMAK. (Photo by CLEMENT MAHOUDEAU / AFP) (Photo by CLEMENT MAHOUDEAU/AFP via Getty Images)