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TEDx Talks
Title: Cardboard bed make change strange common sense. 段ボールã§å¤‰ãˆã‚‹ãŠã‹ã—ãªå¸¸è˜ | Yoshihiro Mizutani | TEDxHimi
Published: 2018-03-01
Source: https://www.youtube.com/watch?v=VIAiOQXY7rs
