: Used local earth, stone, and even sticky rice mortar for strength.
The Great Wall of China is a massive defensive system spanning over 13,000 miles. It was built over 2,000 years to protect China's borders and regulate trade. Core History and Purpose The Great Wall
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 : Used local earth, stone, and even sticky
: Initial fortifications joined by Emperor Qin Shi Huang . : Used local earth