6 Season
137 Episode
15 Minutes - Season 4 Episode 12 NINJA TRUTH Episode 15: Ninja Communication
Since ninja were engaged in espionage, they had to gather information and accurately convey it without anyone knowing. Typical means of information transmission included smoke signals, a cipher using knots in a rope, and special methods of transporting secret messages. But in the second half of the episode, we'll look at their ultimate method of concealing information: invisible ink! Find out how they did this, and follow Chris as he makes his own secret message with ninja techniques.
- Year : 2023
- Country : Japan
- Genre : Documentary
- Studio : NHK WORLD-JAPAN
- Keyword :
- Director :
- Cast :
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
