Great Wall much longer than previously believed: survey
A section of the Great Wall at the Panjiakou Reservoir in Hebei province in May. Locals found the section of the "underwater Great Wall" surfaced after the water level of the reservoir fell by more than 10 meters because of a lingering drought. Zhu Jianjun / Xinhua |
Archaeologists, mapping experts find 43,721 sites related to the structure
Photo