By Samuel Hertzog - A CERN photographer and videographer writes about his experiences documenting the ongoing upgrade that will turn the Large Hadron Collider into the High-Luminosity LHC, Symmetry Magazine.
Photographing the HL-LHC
Photographing the HL-LHC
Photographing the HL-LHC

HL-LHC worker 80 meters underground in a dimly lit tunnel (Image: Samuel Hertzog and Jules Ordan)