File:Chemistry-related rear blackboard art at a classroom of Beijing 101 Middle School (20111201165624).jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:00, 21 August 2021 | ![]() | 1,936 × 2,592 (3.63 MB) | N509FZ | Uploaded own work with UploadWizard |
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