looks like https://www.hohenloher.com/en/products/fly-one/ https://www.hohenloher.com/en/products/fly-one/ this, though it looks as though the CERN images might

looks like https://www.hohenloher.com/en/products/fly-one/ https://www.hohenloher.com/en/products/fly-one/ this, though it looks as though the CERN images might be on a movable ceiling mounted track.