Sachiko Nakajima: "There are many things that seem to have no purpose, and I think jellyfish are a symbol of something that cannot be explained" She is one of the producers who is scheduled to create a pavilion at the Osaka-Kansai Expo. She is also a mathematics educator and jazz pianist who was the first Japan woman to win a gold medal at the Mathematics Olympiad.

"When I think about what is important, such as play is important," she says. "I think we tend to come together with people who share the same feelings but have not met"