These were the top 10 stories published by 東京工業大学エンジニアリングデザインプロジェクト in April of 2020. You can also dive into daily archives for April of 2020 by using the calendar at the top of this page.
About
東京工業大学エンジニアリングデザインプロジェクト
Solve various problems in society through engineering design