Children resting in deckchairs at an open air school, historical image. The open air school movement was created in 1904 in an effort to prevent the development of tuberculosis in children. It used a combination of medical supervision and teaching adapted to students with pre-tuberculosis. Classes were either held entirely outdoors or in rooms with large open windows. Photographed in London, UK. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress |
Bildgröße: | 5051 px × 3529 px |
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