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View into the tunnel of the LEP, Large Electron-Positron Collider, at the international research centre CERN in Geneva, taken in December 1987. (KEYSTONE/Str) (autotranslated) Blick in den Tunnel des LEP, Large Electron-Positron Collider, im internationalen Forschungszentrum CERN in Genf, aufgenommen im Dezember 1987. (KEYSTONE/Str)