Labor force of building of the Great Wall
Labor force of building of the Great Wall is mainly derived from:

• Garrison force,
• Conscripted laborers,
• Convicts and persons sentenced to exile. Discover details...

Methods for transporting building materials of Great Wall
According to records and legends there are three kinds of methods for transporting building materials:

• by manual labor
• by simple mechanical meanst
• by draft animals Disvover details...

Experience in building the Great Wall
Ancient people had collected plenty of experience in building the Great Wall to save manpower and time. The experience was exist in choicing the terrain, in using avaliable materials and in cooperation. Discover details...