Conférence de presse
Cérémonie officielle de lancement des travaux du HL-LHC
Press conference
HL-LHC Groundbreaking Ceremony
https://press.cern/event/official-groundbreaking-ceremony-lhc-upgrade-more-collisions-ahead
Cérémonie officielle de lancement des travaux du HL-LHC
HL-LHC Groundbreaking Ceremony
https://press.cern/event/official-groundbreaking-ceremony-lhc-upgrade-more-collisions-ahead