Great Wall of China the optics much better, rendering photographic evidence irrelevant to the issue of whether it is visible to the naked eye. Great Wall of China The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials, generally built along an east-to-west line across the historical northern borders of China to protect the Chinese states and empires against the raids and invasions of the various nomadic groups of the Eurasian Steppe with an eye to expansion. Several walls were being built as early as the 7th century BC; these, later joined together and
History of the Great Wall of China the Great Wall with the failed Maginot Line of the French in World War II. However, independent scholar David Spindler notes that the Wall, being only part of a complex foreign policy, received "disproportionate blame" because it was the most obvious relic of that policy. The usefulness of the Great Wall as a defence line against northern nomads became questionable under the Qing dynasty, since their territory encompassed vast areas inside and outside the wall: China proper, Manchuria, and Mongolia were all under Qing control. So instead, the Great Wall became the means to limit Han Chinese movement into the