1967: Patrolling the CERN tunnels … Posted on October 31, 2019 by mikee 1967: Patrolling the CERN tunnels This standard patrol procedure looks creepier than it actually was… Happy Halloween! #TBT #ThrowbackThursday #Halloween #HappyHalloween #spooky Find out more about this particular tunnel: https://home.cern/science/accelerators/proton-synchrotron …