How to transfer construction materials in ancient times?
On the Great Wall, big blocks of stone are each about two to three meters (6.6-9.8 feet) long and weighing 1,000 kilograms (close to a ton). But there was only primitive moving equipment in old ages. How ancient Chinese people moved massive materials up to the mountains in the Great Wall Construction? As historical records, people in ancient China adopted several ways to solve the problem: It is the most primitive method in the construction of the Great Wall by labor force. Many people(They are soldiers, peasants and prisoners)died from the harsh work. People burdened the weight on their shoulders, and backs, passing the materials from the foot of the mountain right to the very top. The advantage of this method was that it could save a great of time. In addition, they were in a narrow path, and it can avoid workers running down each other. It also can raise efficiency of the construction. Use wheelbarrows to roll timbers and crowbars. People made ingenious use of simple tools and took
