A 750-year-old secret from a Japanese priest gave birth to what we know today as soy sauce: http://on.natgeo.com/2rHxzKy pic.twitter.com/jFEZa6MR0Q

A 750-year-old secret from a Japanese priest gave birth to what we know today as soy sauce: http://on.natgeo.com/2rHxzKy  http://pic.twitter.com/jFEZa6MR0Q

https://twitter.com/NatGeoTravel/status/872083272431546368