来自MSN1 个月
The Great Wall Of China Wasn’t Built To Keep Out Genghis Khan — But To Control Nomadic ...
Gideon Shelach-Lavi et al/Hebrew University/Antiquity JournalThe research team used unmanned aerial drones ... Khan’s Wall,” a 458-mile stretch of China’s world-famous Great Wall in Mongolia.
Years Of Traveling on MSN3 个月
The Secret History of the Great Wall of China: How Long Is It Really?
Today, we use advanced tech like aerial mapping and laser scanning to find more parts. This has helped us see just how long ...