A”door”able Alice 🚪 The massive doors of the ALICE experiment are finally closed. This delicate operation took place at the end of July, and the magnets are now well protected behind these giants weighing 350 tonnes each. Closing of the doors symbolically marked the end of the maintenance and upgrading work on this experiment, as it now prepares for #PhysicsSeason at the LHC next year. #PhotoOfTheWeek Some accelerators are already back in service, find out more: https://home.cern/news/news/expe