10. Birds Nest Soup, Rowing Oars, Castanets (2019)
How do they collect millions of real birds' nests to make birds' nest soup? How do they use aerospace technology to make rowers go faster? And, how are castanets made?
Release date: 2019-07-11
User rating:
10 / 10
1 votes
Season number: 16
Episode number: 10
Runtime: 22 minutes