![]() |
Illustration 19th century silk production. |
![]() |
Illustration 19th century opium production. |
![]() |
Tomb releif Salt mining was a major industry in Sichuan province. Wells, such as the one on the lower left comer, were drilled to extract brine which was led through bamboo pipes to evaporation pans (lower right). |
![]() |
Ming dynasty woodcut The process of making paper, step 1. |
![]() |
Ming dynasty woodcut The process of making paper, step 2. |
![]() |
Ming dynasty woodcut The process of making paper, step 3. |
![]() |
Ming dynasty woodcut The process of making paper, step 4. |
![]() |
Ming dynasty woodcut The process of making paper, step 5. |
![]() 01 |
![]() 02 |
![]() 03 |
![]() 04 |
![]() 05 |
![]() 06 |
![]() 07 |
![]() 08 |