The tunnel and that of its successor, the , are now connected. This week, the made the junction between the underground facilities at Points 1 and 5 of the accelerator. Lucio Rossi, Leader of the HL-LHC project, Frédérick Bordry, Director for Accelerators and Technology, Fabiola Gianotti, CERN Director-General, and Oliver Brüning, Deputy Leader of the HL-LHC project, met this morning in the LHC tunnel to celebrate the breakthrough.
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