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 based on the conception of a perennial Great Wall: Karl Marx took the Wall to represent the stagnation of the Chinese society and economy, Owen Lattimore supposed that the Great Wall demonstrated a need to divide the nomadic way of life from the agricultural communities of China, and John K. Fairbank posited that the Wall played a part in upholding the Sinocentric world order. Despite the significance that the Great Wall seemed to have, scholarly treatment of the Wall itself remained scant during the 20th century. Joseph Needham bemoaned this dearth when he was compiling the section on walls for