Foto de stock - University of Duisburg-Essen, University, cookie jars, student services Essen-Duisburg, Duisburg, Ruhr area, North Rhine-Westphalia, Germany

Imagen: University of Duisburg-Essen, University, cookie jars, student services Essen-Duisburg, Duisburg, Ruhr area, North Rhine-Westphalia, Germany.

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