Sputnik is live from Saint Paul Lez Durance, France as French President Emmanuel Macron and government leaders from six other nations and the EU are holding an opening ceremony for the first-ever International Thermonuclear Experimental Reactor (ITER).
The launch of the reactor and the production of the first plasma there is expected to take place in 2025.
A total of 35 countries took part in the ITER project. The EU as host of the ITER reactor, contributed 45 percent of the cost of construction, with other countries, including Russia, each contributing 9 percent.
Follow our live feed to find out more