View of the LHC accelerator in the tunnel (© 2005-2017 CERN)
View of the LHC accelerator in the tunnel (© 2005-2017 CERN)
View of the ALICE detector with the door open (© 2006-2017 CERN)
View inside the ATLAS detector (© 2005-2017 CERN)
Fish eye view of the CMS detector before being closed to measure cosmic rays (© 2006 CERN)
The mirrors of one of the two Ring Imaging Cherenkov detectors of the LHCb experiment are meticulously assembled in a clean room (© 2005-2017 CERN)