JERUSALEM, Undefined (AFP) — The northern segment of the Great Wall of China was built not to block invading armies but rather to monitor civilian movement, an Israeli archaeologist said Tuesday. When researchers fully mapped the Great Wall’s 740-kilometre (460-mile) Northern Line for the first time, their findings challenged previous assumptions. “Prior to our research, most people thought the wall’s purpose was to stop Genghis Khan’s army,” said Gideon Shelach-Lavi from Jerusalem’s Hebrew University, who led […]