Views: 76392 | Rating: 4.66 | Likes: 180
TECHNOLOGY AND MACHINES OF ANCIENT CHINA – Discovery History Science Tech (full documentary)
[ad code=2 align=center]
technology and machines of ancient china (full documentary). thanks for watching.
history life discovery science technology tech learning education national nature geographic earth planet channel universe culture ancient civilization civilisation greek roman egypt egyptian archaeology medieval middle ages ancient discoveries chinese machine asia asian computer