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HansSachsGymnasium Nrnberg Eingangsportal edit. HansSachsGymnasium Nrnberg own Christoph Braun Retouched picture edited using Adobe Photoshop CS and its RAW converter cropped levels adjusted sharpness increased lense correction applied Christoph Braun cczero Files by Christoph Braun Fotoworkshop Nrnberg HansSachsGymnasium NurembergGrten