The unexpected inspiration behind Japan's bullet train

Japan's famous bullet train used to make a loud BOOM sound when it travelled through tunnels. But, thanks to a spot of bird-watching, an engineer was able to fix the problem after he was inspired by a kingfisher.

Producers: Jennifer Green & Anna Doble

Animator: Jules Bart

For more clips like this check out 30 Animals That Made Us Smarter.

23 February 2022