Yuna Kato works with her college club to produce a light human-powered aircraft at Tokyo University in Tokyo, Japan, July 3, 2023, in this screen grab from video. REUTERS/Chris Gallagher
Yuna Kato works with her college club to produce a light human-powered aircraft at Tokyo University in Tokyo, Japan, July 3, 2023, in this screen grab from video. REUTERS/Chris Gallagher