1 Lub Caij
13 Zaum
Where Did It Come From? - Season 1 Episode 8
To help feed their population, Ancient China created the world's first canal systems, the plough and the winnowing machine for grain and rice. Today, China boasts the world's longest canal and the largest dam.
- Xyoo: 2006
- Ncig Teb Chaws: United States of America
- Genre: Documentary
- Studio:
- Cov ntsiab lus:
- Tus Thawj Coj:
- Pov Pob Tseg: Michael Guillen
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