Photo de stock - PRODUCTION - 29 September 2022, Hamburg: View into the tunnel where the particle accelerator Hera of the German Electron Synchrotron (DESY) in Hamburg can be seen. HERA is an underground ring accelerator over six kilometers long, the world's most precise electron microscope for studying the internal structure of the proton. From 1995 to 2007, the HERA experiments H1, ZEUS and HERMES were carried out, and their data analysis is still ongoing. Photo: Ulrich Perrey/dpa. - Hamburg/Hamburg/Germany

Photo de stock: PRODUCTION - 29 September 2022, Hamburg: View into the tunnel where the particle accelerator Hera of the German Electron Synchrotron (DESY) in Hamburg can be.

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