great wall of china on a map of china
Live Science: China's Great Green Wall: The giant artificial forest designed to slow the expansion of 2 deserts Since 1978, China has planted more than 66 billion trees along its 2,800-mile-long northern border, and it wants to plant 34 billion more over the next 25 years to complete its "Great Green Wall." ... China's Great Green Wall: The giant artificial forest designed to slow the expansion of 2 deserts
Map of The Great Wall Of China - Brilliant Maps
