Stock Photo - 01 October 2021, Hessen, Frankfurt/Main: Teacher Hannes Pulch explains to students at the Adorno-Gymnasium in Frankfurt the function of VR glasses, which are being used specifically as a learning tool. (To dpa ""Learning at the digital heart: This is what the lessons of the future will look like"") Photo: Boris Roessler/dpa. - Frankfurt/Main/Hessen/Germany

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