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Continue to ChatAn open air school in 1957, Netherlands In the beginning of the 20th century a movement towards open air schools took place in Europe. Classes were taught in forests so that students would benefit physically and mentally from clean air and sunlight. https://www.imgain.com/an-open-air-school-in-1957-netherlands-%e2%81%a3-in-the-beginning-of-the-20th-century-a-movement-towards-open-air-schools-took-place-in-europe-classes-were-taught-in-forests-so-that-students-would-b/