View full lesson: http://ed.ted.com/lessons/what-makes-the-great-wall-of-china-so-extraordinary-megan-campisi-and-pen-pen-chenThe Great Wall of China is a 13The sheer size of the Great Wall of China was such an undertaking that it took nearly 2000 years to build! The construction of the wall began in the Qin Dynasty under the First Emperor Shi Huangdi It extends about 7300 kilometers from the Shanhai Pass on the east coast to the Jiayu Pass in modern Gansu province. The original Great Wall of China was built around 2000 years ago, in 221 BC under the rule of Emperor Qin. The most extensive and best-preserved Great Wall was built during the Ming Dynasty (between 1368 and 1644). The Great Wall is not a single-structured wall, it includes beacon towers, barriers, barracks, garrison stations, and fortresses along the walls, together forming an integrated defense system. Maintenance and protection of the Great Wall (2021-08-11) by Wu Qiang Simatai Great Wall
Biggest Fortress on the Great Wall – Zhenbeitai. Zhenbeitai (镇北台), located in Yulin, Shaanxi Province, is one of the most magnificent buildings of the Great Wall.It is known as one of the three wonders of the Great Wall of China (the other two are Shanhaiguan in the east and Jiayuguan in the west) and is titled as the "Greatest Fortress of the Ten-Thousand Mile Long Wall
This is just one of the myths Waldron explores in his very insightful book. Another popular misconception is that the Great Wall was built during the Qin Dynasty (221-206 BCE) under orders from Shi Huangdi when actually very little of the First Emperor's wall remains. Shi Huangdi commissioned his wall as a barrier to nomadic cavalry but also as
The Great Wall of China dates back to the third century B.C., when it was built to protect the country from northern invaders. The wall, which spans more than 3,000 kilometers (1,860 miles), has been periodically rebuilt and modified throughout history by each reigning dynasty. v8O6Zid.