According to the tickets for access to the wall, construction of the wall, originally over  long, began in the Jin Dynasty (266–420) and was not finished until the Sui (581–618) and Tang (618–907) Dynasties.
According to tickets for access to the wall, construction of the structure, which was originally longer than it is now, began in the Jin Dynasty (266–420) and was not finished until the Sui (581–618) and Tang (618–907) Dynasties.