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 his "Science and Civilisation in China": "There is no lack of travelers' description of the Great Wall, but studies based on modern scholarship are few and far between, whether in Chinese or Western languages." In 1990, Arthur Waldron published the influential "The Great Wall: From History to Myth", where he challenged the notion of a unitary Great Wall maintained since antiquity, dismissing it as a modern myth. Waldron's approach prompted a re-examination of the Wall in Western scholarship. Still, as of 2008, there is not yet a full authoritative text in any language that is devoted to the Great Wall.