Our #PhotoOfTheWeek shows visitors at the @ … Posted on September 18, 2019 by mikee Our #PhotoOfTheWeek shows visitors at the @ATLASexperiment during the #CERNOpenDays. Find out more about what’s in store for ATLAS while we are #UpgradingLHC: https://home.cern/news/news/experiments/wheels-motion-whats-planned-atlas-next-two-years …