The Great — Wall

: An estimated one million workers, including soldiers and convicts, died during construction. 🎨 Educational and Creative Ideas The Great Wall - UNESCO World Heritage Centre

: Built to guard against nomadic invasions from the north, like the Mongols. Trade Control : Served as a checkpoint for the Silk Road . Timeline : The Great Wall

: Most visible stone sections were built during this era. 🛠️ Engineering Marvels : An estimated one million workers, including soldiers

Its purpose was to protect China from outside aggression, but also to preserve its culture from the customs of foreign barbarians. UNESCO World Heritage Centre Build the Great Wall Lesson Plan - Crayola : An estimated one million workers

: Features watchtowers for signaling (smoke/fire) and beacon towers for communication.