A person looks at the giant magnet Compact Muon Solenoid (CMS) being placed underground in the Large Hadron Collider (LHC) accelerator at CERN, the European Particle Physics laboratory, in Cressy near Geneva, France, Wednesday, Feb. 28, 2007. The heaviest piece of the Compact Muon Solenoid (CMS) particle detector has begun the momentous journey into its experimental cavern 100 meters underground. A huge gantry crane is slowly lowering the CMS detector's preassembled central section into place in
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