まんがどうして物語
Why is seawater salty? What causes volcanoes to erupt? Why don't man-made satellites fall from the sky? What makes people sleepy? Answers to these questions and more are in this animated title which explores topics of nature, customs, and technology.
Release : April 07, 1984
Total Eps : 100 / 30 minutes
Total Season : 1
Rating : 0.00
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